CN104145075A - Deactivation of packer with safety joint - Google Patents
Deactivation of packer with safety joint Download PDFInfo
- Publication number
- CN104145075A CN104145075A CN201280071147.9A CN201280071147A CN104145075A CN 104145075 A CN104145075 A CN 104145075A CN 201280071147 A CN201280071147 A CN 201280071147A CN 104145075 A CN104145075 A CN 104145075A
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- China
- Prior art keywords
- packer
- safety joint
- axle
- actuating
- described safety
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000009849 deactivation Effects 0.000 title abstract 3
- 238000000034 method Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000004044 response Effects 0.000 claims abstract description 9
- 238000006073 displacement reaction Methods 0.000 claims description 32
- 230000003213 activating effect Effects 0.000 abstract description 4
- 230000004913 activation Effects 0.000 abstract 2
- 239000012530 fluid Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/06—Releasing-joints, e.g. safety joints
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
- E21B33/1291—Packers; Plugs with mechanical slips for hooking into the casing anchor set by wedge or cam in combination with frictional effect, using so-called drag-blocks
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
- E21B33/1295—Packers; Plugs with mechanical slips for hooking into the casing actuated by fluid pressure
- E21B33/12955—Packers; Plugs with mechanical slips for hooking into the casing actuated by fluid pressure using drag blocks frictionally engaging the inner wall of the well
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
A packer deactivation system can include a packer and a safety joint. Activation of the safety joint can prevent setting of the packer. A method for use with a subterranean well can include activating a safety joint in the well, and deactivating a packer connected to the safety joint, in response to the safety joint activating. Another packer deactivation system can include a safety joint and a packer drag block locking mechanism. Activation of the safety joint can operate the drag block locking mechanism, thereby preventing a drag block from displacing in a certain direction relative to a mandrel of a packer.
Description
Technical field
The present invention relates generally to go into the well in combination used equipment and the operation of execution, in a following described example, specifically, the invention provides with safety joint packer is stopped using.
Background technology
Safety joint be conventionally positioned at packer above or below, the in the situation that the miscellaneous equipment below packer or packer clinging in pit shaft, just allow tubular drill string to disconnect in safety joint place.After safety joint activated, the tubular drill string of safety joint top can easily be regained from pit shaft.
People will recognize that, also continue to make improvements in the technology of structure packer and safety joint.
Summary of the invention
In the present invention, provide the technology of structure and operation packer and safety joint is brought to improved system and method.To describe an example below, and wherein, activate safety joint and will make packer stop using (stoping the setting of packer).Another example is described below, and wherein, in response to the actuating of safety joint, the pulling piece on packer is just fixed and stops the displacement along at least one direction with respect to the axle of packer.
The inactive system of packer is described below.In an example, this system can comprise packer and safety joint.The actuating of safety joint has stoped the setting of packer.
Method for missile silo is also described below.An example of the method can comprise the safety joint activating in well; And in response to the actuating of safety joint, stop using and be connected to the packer of safety joint.
Another packer the following describes system of stopping using can comprise that safety joint and packer pull piece locking mechanism.The actuating of safety joint can operate this pulling piece locking mechanism, stops thus pulling piece with respect to packer axle, to do the displacement of a direction.
After the detailed description and the accompanying drawings of the exemplary embodiment that technician discloses below thinking in the art, will know feature, advantage and the benefit of above-mentioned other, wherein, in each accompanying drawing, with identical Reference numeral, represent identical element.
Accompanying drawing explanation
Fig. 1 is well system and the representational partial sectional view that can implement the correlation technique of the principle of the invention.
Fig. 2 is the partial sectional view of prior art packer.
Fig. 3 is the partial sectional view of prior art safety joint.
Fig. 4 is the representational partial sectional view that can implement the inactive system of packer in the well system principle of the invention and that can be used for Fig. 1.
Fig. 5 is the representational partial sectional view of the another kind of structure of the inactive system of packer.
Fig. 6 is the representational partial sectional view that the packer system of stopping using also has another kind of structure.
The specific embodiment
In Fig. 1, schematically show well system 10 and the correlation technique that can implement the principle of the invention.Yet, should be expressly understood that, this system 10 and method are only in practice, how to apply an example of the principle of the invention, so the present invention's scope is in no way limited to shown in accompanying drawing and the details of described system and method below.
In Fig. 1 example, tubular drill string 12 is arranged in the pit shaft 14 of liner cement 16 and sleeve 18.Packer 20 is set, seals thus the ring cavity 22 radially forming between tubular drill string 12 and pit shaft 14.If necessary, can use another packer 24 (or bridging plug etc.) to seal up pit shaft 14, like this, ring cavity 22 is just isolated between two packers 20,24.
Tubular drill string 12 can be used for any purposes (such as drill stem testing, completion operation, excitation operation etc.).Shown in example in, one or more perforating rifles 26 are interconnected in tubular drill string 12, in order to 16 punchings of sleeve 18 and cement, so, can from the stratum 28 of being run through by pit shaft 14, produce fluid, or fluid can be injected in stratum 28.Then, mode known by the technical staff, gathers and dropping test by carrying out pressure in the art, tests this stratum 28.
Safety joint 30 is interconnected in the tubular drill string 12 interior (as shown in fig. 1) of packer 20 belows.In following situation, the miscellaneous equipment items of packer 24, perforating rifle 26 or safety joint 30 belows become and are stuck, or otherwise can not easily from pit shaft 14, regain, actuatable safety joint departs from the top 12a of tubular drill string 12 and the bottom 12b of tubular drill string, so, recoverable this top.Then, can use independent " completion " stroke to regain the bottom 12b of tubular drill string 12.
It should be noted that not every pit shaft 14 is all necessary liner cement 16 or sleeve 18, tubular drill string 12 can comprise additional, less or be different from the parts shown in Fig. 1, pit shaft can be level or tilt etc.Therefore, will recognize that, scope of the present invention is not limited to the example shown in representativeness in Fig. 1.
Regrettably, (for example, when when the stand that floats etc. operates) in some cases, after safety joint activates, but still before tubular drill string each several part 12a, b depart from connection each other, resets packer possibly.This is due to the fact that, many (if not maximum) recoverable packer is set by following operation: decline is wherein connected with the tubular drill string of packer (normally after carrying out some other action, such as rotating tubular drill string, move J-slit mechanism, decline and promote the predetermined number of times of tubular drill string, packer is applied to predetermined pressure etc.), and the decline of tubular drill string can (for example occur in careless situation, due to the fluctuating of wave motion on the stand that floats, while throwing off union connection, set surperficial slip etc.).
If this situation occurs (after safety joint activates, but still before tubular drill string each several part departs from connection, reset this packer), therefore to take unexpected measure meeting be very difficult, consuming time and (for example expend very much, rinse packer, with chemistry or destructor come to disconnect axle of packer etc.), to regain this packer.A reason of doing is like this, many in order to reset (if not maximum) recoverable packer, packer axle is promoted to predetermined distance, if safety joint activated, but tubular drill string is not yet thrown off and is connected in safety joint place, and above-mentioned action can not be accomplished conventionally.
Yet in the method for improved system 10 and Fig. 1, after safety joint 30 has activated, the inactive system 32 of packer stops packers 20 to be set.Like this, the top 12a of tubular drill string 12 can regain easily from pit shaft 14, and after safety joint 30 has activated, packer 20 cannot unexpectedly be set.In below will the example of more complete description, no matter whether tubular drill string 12 departs from and connect at safety joint 30 places, packer 20 all can be stopped using.
, in addition with reference to Fig. 2, remove the remainder of system 10 now, in figure, show typically packer 20.Packer 20 can be similar to RTTS (TM) packer of prior art in many aspects, (the Halliburton Energy Services of its Halliburton Energy Serv Inc. by the Houston city of Texas, USA, Inc.) sell, and be well-known in technician in the art.
Yet the packer of other type also can be used in system 10, and is consistent with the scope of the invention.Spendable other packer example comprises CHAMP IV (TM) and CHAMP V (TM) packer, and Ye You Halliburton Energy Serv Inc. (Halliburton Energy Services, Inc.) sells.
Packer 20 is representational recoverable packers, and its operation can benefit from the principle of the invention.When safety joint 30 activated, the inactive system 32 of packer can be used to stop packer 20 to set.
Packer 20 comprises the axle 34 of general tube shape, the slide block of one group of hydraulic actuation 36, one group of potted component 38, one group of mechanical system actuated slider 40 and pull piece 42.Whether J-slit mechanism (not visible in Fig. 2) controls axle 34 can and pull piece 42 declines (as shown in Figure 2) with respect to potted component 38, slide block 40.Pull that piece 42 is biased and with the inwall of sleeve 18 (or in not adding the pit shaft of sleeve, with stratum 28) contact, provide thus frictional force, like this, DangJ-slit mechanism runs to it while " fixing " position, and axle 34 will and pull piece to bottom offset with respect to potted component 38, slide block 40.
In order to set packer 20, make packer position in pit shaft 14 be positioned to the position that will set than it low, then, promote and rotate packer to select " fixing " position of J-slit mechanism, then tubular drill string 12 declines and fixes this packer.Pull frictional force that piece 42 provides along slope 44 sliding pieces 40 upwards, so slide block is displacement radially outwardly, and obtain initial "bite" in sleeve 18 (if or pit shaft 14 do not add sleeve, be stratum 28).Further tubular drill string 12 and the axle 34 of declining, just compressible seal element 38, extend radially outwardly thus potted component and seal up ring cavity 22.
It should be noted that can not be with respect to axle 34 to top offset if pull piece 42, and slide block 40 will be radially to outer displacement, and packer 20 will be not fixing to bottom offset in response to axle (and it connect tubular drill string 12).Therefore, by prevention pull piece 42 to top offset, also can prevent the setting of packer 20.
After setting, by promoting axle 34 packer 20 that can reset, unclamp thus the compression to potted component 38, and allow slide block 40 inwardly to retract.
, in addition with reference to Fig. 3, remove the remainder of system 10 now, in figure, show typically safety joint 30.Safety joint 30 can be similar to the lower packet hydraulic safety connector of prior art in many aspects, (the Halliburton Energy Services of Qi You Halliburton Energy Serv Inc., Inc.) sell, and be well-known in technician in the art.
Yet the safety joint of other type also can be used in system 10, and is consistent with the scope of the invention.Spendable other safety joint example comprises the safety joint of anchoring pipe, RTTS safety joint and VR safety joint, and Ye You Halliburton Energy Serv Inc. (Halliburton Energy Services, Inc.) sells.
Safety joint 30 is representational typical safety joints, and its operation can benefit from the principle of the invention.When safety joint 30 activated, the inactive system 32 of packer can be used to stop packer 20 to set.
Safety joint 30 comprises the axle 46 that extends in the general tube shape between end connector 48,50.When in the interior interconnection of tubular drill string 12, top 12a is just connected to connector 48, and bottom 12b is connected to connector 50.
Piston 52 is connected to the lower end of axle 46.Piston 52 is received within shell 54 hermetically and reciprocally.
Bottom connector 50 is connected to shell 54 by left hand thread 56.Axle 46 is connected to top connector 48.
Relatively rotating at first between axle 46 and shell 54 stoped by axially extended spline 59.Therefore, right hand moment of torsion can be delivered to bottom connector 50 from top connector 48 by axle 46 and spline 59 at first.
Displacement to axial between axle 46 and shell 54 is stoped by shear pin 58 at first.Yet, if being fixed, bottom connector 50 stop displacement in pit shaft 14 (for example, if becoming, lower tubular drill string part 12b clings etc.), and the predetermined axial force being directed upwards towards is applied to top connector 48, shear pin 58 will be sheared, and allow thus to occur the displacement to axial between axle 46 and shell 54.Spline 59 does not stop so displacement to axial between axle 46 and shell 54.
Hydraulic fluid is contained in the annular compartment 60 being radially formed between axle 46 and shell 54.When allowing axle 46 upwards to do axial displacement with respect to shell 54, the fluid in piston 52Jiang compression chamber 60.When the pressure in chamber 60 reaches predeterminated level, rupture disk 62 will explode brokenly, allow from chamber, to discharge fluid, allow thus axle 46 to do relatively free to top offset with respect to shell 54.
In this example, allow axle 46 with respect to shell 54 do about one meter to top offset.This should enough realize the reset of packer 20 to top offset, makes safety joint axle 46 be connected to the remainder of packer axle 34 and tubular drill string top 12a.
When completely to top offset, complementary lug 66 on the lug 64 engagement floating pistons 68 of the castellated on piston 52 upper ends, this floating piston 68 also has lug 70, the lug 70 similar lug (not shown in Figure 3) on the parts 72 of shell 54 that is connected with a joggle.This kind of engagement of lug 64,66,70 (and those lugs on parts 72), stops relatively rotating between axle 46 and shell 54.Now, spline 59 is thrown off engagement.Then, dextrorotation is rotated can be applied to top connector 48, axle 46 and shell 54 from tubular drill string top 12a, with " outwarding winding " this screw thread 56.Then, can from pit shaft 14, regain tubular drill string top 12a, and together with top connector 48, axle 46, shell 54, parts 72, piston 52,68 etc.
Leave bottom connector 50 and be attached to tubular drill string bottom 12b towards upper interior threaded part 74.Interior threaded part 74 provides tubular drill string bottom 12b " fishing " easily.
Below in the example of more complete description, when shear pin 58 is sheared and safety joint axle 46 while making packer reset to top offset with respect to shell 54, the packer system 32 of stopping using just stops resetting of packer 20.Therefore, the actuating of safety joint 30 also causes stopping using of packer 20.
In other example, safety joint 30 can otherwise activate, and other some place that packer 20 can be in safety joint actuation process stops using etc.Therefore, should be expressly understood that, the scope of the invention is not confined to the safety joint 30 shown in described here and accompanying drawing and activates and the inactive detail of packer 20.
In addition with reference to Fig. 4, in figure, representativeness illustrates the example of the inactive system 32 of packer now.This system 32 comprises the packer off-stream unit 102 being interconnected between packer 20 and safety joint 30.Yet the inactive system 32 of packer can be used for other packer and safety joint, to keep consistent with the scope of the invention.
In the example of Fig. 4, collapsible joint 76 is connected to shell 54 at its lower end.Locate in the top, this collapsible joint 76 has plug 78, and it stops well pressure to enter chamber 80.This chamber 80 is separated with another chamber 82 by piston 84.
Originally, two chamber 80,84 the most handy gases (such as nitrogen of atmospheric air, relatively low pressure etc.) pressurize isobaricly.Like this, the pulling piece 42 that the shell 86 of system 32 is attached, can be with respect to 34 displacements of packer axle, thus packer 20 can set, and reset as requested.
Yet, when safety joint axle 46 activates safety joint 30 with respect to safety joint shell 54 to top offset (after shear pin 58 is sheared), collapsible joint 76 arrives its stroke end the most at last, and chock plug 78 will be drawn out outside shell 86 thus, chamber 80 is exposed in well pressure.In the time of before chamber 80 is exposed to well pressure, the pressure reduction that traverses piston 84 generations will cause shell 86 (the pulling piece 42 attached with shell 86) with respect to piston 84 (axle 34 attached with piston) biased downward.
This will stop pull piece 42 with respect to packer axle 34 to top offset, stop thus packer 20 to be set.Then, as mentioned above, rotate top unclamp screw thread 56 by dextrorotation, tubular drill string top 12a can depart from and be connected with tubular drill string bottom 12b.Top 12a can regain from pit shaft 14, need not consider that packer 20 will set again.
In addition with reference to Fig. 5, in figure, the representative another kind that the inactive system 32 of packer is shown is constructed now.In this example, slide block or other clamping device 88 of the shell 86 sealing segmentations of the inactive system 32 of packer, the slide block of segmentation or other clamping device 88 are resisted against in tapered slope 90 by bias unit 92 (such as spring, Compressed Gas chamber etc.) biasing.
Clamping device 88 is by radially inwardly biasing of ramp 90, but the upper sleeve end 94 of collapsible joint 76 stops the zigzag external surface of slide block contact shell 86 inner axis of heart 96.Axle 96 is connected between packer axle 34 and the top connector 48 of safety joint 30.
Because being subject at first socket end 94 constraints, clamping device 88 do not contact with axle 96, so shell 86 and pulling piece 42 can be as required with respect to axle 34 displacements, to set and the packer 20 that resets.Yet, if allow radially inwardly displacement of clamping device 88 with contact axle 96, can prevent from pulling piece 42 with respect to axle 34 to top offset, stop thus packer 20 to be set.
When safety joint axle 46 activates safety joint 30 with respect to safety joint shell 54 to top offset (after shear pin 58 is sheared), collapsible joint 76 arrives its stroke end the most at last, and socket end 94 will be drawn out from the below of clamping device 88 thus.Due to the effect of bias unit 92 and clamping device up gradient 90, clamping device 88 contacts radially inwardly displacement with axle 96.
This will stop pull piece 42 with respect to packer axle 34 to top offset, stop thus packer 20 to be set.Then, as mentioned above, rotate top unclamp screw thread 56 by dextrorotation, tubular drill string top 12a can depart from and be connected with tubular drill string bottom 12b.Top 12a can regain from pit shaft 14, need not consider that packer 20 will set again.
In addition with reference to Fig. 6, in figure, the representative another kind that the inactive system 32 of packer is shown is constructed now.In this example, shell 86 is parts of collapsible joint 76.
Elastic collet chuck 98 is positioned in shell 86.The size of this collet chuck 98 be suitable for axle 96 on depression 100 cooperations that form mesh.Until collet chuck 98 and depression 100 engagements, shell 86 (the pulling piece 42 attached with shell) can be always with respect to axle 96 (with the axle 34 of the attached packer of axle 96) to top offset.Therefore, packer 20 can be set and reset as required.
Yet when safety joint axle 46 activates safety joint 30 with respect to safety joint shell 54 to top offset (after shear pin 58 is sheared), collapsible joint 76 arrives its stroke end the most at last, and collet chuck 98 is by engagement recess 100.When collet chuck 98 engagement recess 110, can stop shell 86 with respect to axle 96 to top offset.
This will stop pull piece 42 with respect to packer axle 34 to top offset, stop thus packer 20 to be set.Then, as mentioned above, rotate top unclamp screw thread 56 by dextrorotation, tubular drill string top 12a can depart from and be connected with tubular drill string bottom 12b.Top 12a can regain from pit shaft 14, need not consider that packer 20 will set again.
At above-mentioned packer, stop using in system 32 examples, although packer off-stream unit 102 (comprising shell 86, axle 96 etc.) separated with safety joint 30 with packer 20 (but still being connected to packer 20 and safety joint 30), but technician will readily recognize that in the art, packer off-stream unit can be brought in packer or in safety joint integratedly.As another replacement scheme, packer 20, safety joint 30 and packer off-stream unit 102 can be brought in the single items of equipment that can be interconnected in tubular drill string 12 integratedly.Therefore, the scope of the invention is not limited to any special tectonic or its combination of parts.
In the example of Fig. 4, chock plug 78, chamber 82,82 and piston 84 comprise and pull piece locking mechanism 104, its stop pull piece 42 with respect to packer axle 34 along upward direction displacement.In the example of Fig. 5, pull piece locking mechanism 104 and comprise slide block 88, slope 90 and bias unit 92.In the example of Fig. 6, pull piece locking mechanism 104 and comprise collet chuck 98 and depression 100.This shows can use various pulling piece locking mechanisms 104 in system 32, and therefore, the scope of the invention is not confined to the use of any special locking mechanism.
Can fully recognize now that above invention provides significant progress to structure and operation packer and safety joint technology.Shown in the actuating of safety joint 30 in system 32 examples, packer 20 is stopped using, so packer and tubular drill string top 12a are recoverable, and without setting packer.Pulling piece 42 on packer 20 is fixed, stop its in response to the actuating of safety joint 30 with respect to packer axle 34 along at least one direction displacement.
The inactive system 32 of packer has more than been described.In an example, this system 32 can comprise packer 20 and safety joint 30.The actuating of safety joint 30 can stop the setting of packer 20.
The actuating of safety joint 30, can make part 12a, the b of tubular drill string 12 throw off connection.
The actuating of safety joint 30, the pulling piece 42 that can stop packer 20 with respect to the axle 34 of packer 20 along at least one direction displacement.
The actuating of safety joint 30 can make chamber 80 be exposed to before the pressure of pit shaft 14.
The engageable pulling piece of the actuating locking mechanism 104 of safety joint 30.
The engageable collet chuck 98 of actuating of safety joint 30, stops the setting of packer 20 thus.
The engageable clamping device 88 of actuating of safety joint 30, the pulling piece 42 that stops thus packer 20 with respect to the axle 34 of packer 20 along at least one direction displacement.
Method for missile silo has below also been described.In an example, this can comprise: activate the safety joint 30 in well; And in response to the actuating of safety joint 30, stop using and be connected to the packer 20 of safety joint 30.
The actuating of safety joint 30 can comprise predetermined tensile load is applied to safety joint 30, the axle 46 that makes thus safety joint 30 with respect to the shell 54 of safety joint 30 along a direction displacement.The packer 20 of stopping using can comprise the pulling piece 42 that stops packer 20 with respect to the axle 34 of packer 20 along certain direction displacement.Stop 42 certain the direction displacement of pulling piece along the displacement of certain direction, to carry out in response to safety joint axle 46.
The method is set packer 20 before can being included in and activating safety joint 30.
The inactive system 32 of above-mentioned another packer can comprise safety joint 30 and pull piece locking mechanism 104.The actuating of safety joint 30 can operate and pull piece locking mechanism 104, stop thus pull piece 42 with respect to the axle 34 of packer 20 along a direction displacement.
Although more than rely on each example with some feature to describe various examples, should be understood that unnecessary this example that is exclusively used in exclusively of special feature of an example.On the contrary, add or be replaced in any further feature of these examples to, any feature shown in above-mentioned and/or accompanying drawing can with any example combination.The feature of an example and the feature of another example are not mutually exclusive.On the contrary, scope of the present invention comprises any combination of any feature.
Although above-mentioned each example comprises certain combination of feature, should be understood that all features of an example of unnecessary use.On the contrary, can use above-mentioned any feature, also can be any other specific characteristic or a plurality of feature.
Should be understood that, various embodiment described here can be used in various orientations, such as that tilt, inverted, level, vertical etc., and are used in various structures, and can not depart from principle of the present invention.The embodiments described herein is only the example as the useful application of the principle of the invention, and the present invention is not limited to any detail of these embodiment.
In above to the description of representative example, directional terminology (such as " top ", " below ", " above ", " below " etc.) adopts in order to be convenient to relate to finger accompanying drawing.Yet, should be expressly understood that, the scope of the invention is not limited to any special direction described here.
Term " just comprises ", " comprising ", " just comprising ", " comprising " and similar term, be in this manual unrestricted meaning use.For example, if system, method, device, equipment etc. are described to " comprising " a certain feature or element, this system, method, device, equipment etc. can comprise this feature or element, also can comprise other feature or element.Similarly, term " comprise " and be considered to mean " including but not limited to ".
Certainly, in the art technician think over above to the description of exemplary embodiment of the present invention after, will readily recognize that, for specific embodiment, can make many modifications, interpolation, substitute, delete and other change, so change and conceive out according to the principle of the invention.Therefore, above detailed description should be clearly understood that only by means of diagram and example, to provide, and the spirit and scope of the present invention are just limited by attached claims and their equivalent.
Claims (22)
1. the packer system of stopping using, comprising:
Packer; And
Safety joint,
Wherein, the actuating of safety joint has stoped the setting of packer.
2. the system as claimed in claim 1, is characterized in that, the connection of tubular drill string each several part has been thrown off in the actuating of described safety joint.
3. the system as claimed in claim 1, is characterized in that, the pulling piece that the actuating of described safety joint stops packer is the displacement along at least one direction with respect to the axle of packer.
4. the system as claimed in claim 1, is characterized in that, the actuating of described safety joint is exposed to chamber in pit shaft before pressure.
5. the system as claimed in claim 1, is characterized in that, the actuating engagement of described safety joint pulls piece locking mechanism.
6. the system as claimed in claim 1, is characterized in that, the actuating engagement collet chuck of described safety joint, stops the setting of packer thus.
7. the system as claimed in claim 1, is characterized in that, the actuating of described safety joint engagement clamping device, and the pulling piece that stops thus packer is the displacement along at least one direction with respect to the axle of packer.
8. for a method for missile silo, described method comprises:
Activate the safety joint in well; And
In response to the actuating of safety joint, stop using and be connected to the packer of described safety joint.
9. method as claimed in claim 8, is characterized in that, activates described safety joint and also comprises the connection of throwing off tubular drill string each several part.
10. method as claimed in claim 8, is characterized in that, activates described safety joint and also comprises described safety joint is applied to predetermined tensile load, the axle that makes thus described safety joint with respect to the shell of described safety joint along a direction displacement.
11. methods as claimed in claim 10, is characterized in that, the described packer of stopping using also comprises the displacement along described direction with respect to the axle of packer of the pulling piece that stops packer.
12. methods as claimed in claim 11, is characterized in that, stop described pulling piece along the displacement of described direction, are in response to safety joint axle and carry out along the displacement of described direction.
13. methods as claimed in claim 8, is characterized in that, activate described safety joint and also comprise chamber is exposed to before the pressure in well.
14. methods as claimed in claim 8, is characterized in that, activate described safety joint and also comprise that engagement pulls piece locking mechanism.
15. methods as claimed in claim 8, is characterized in that, activate described safety joint and also comprise engagement collet chuck, stop thus the setting of described packer.
16. methods as claimed in claim 8, is characterized in that, activate described safety joint and also comprise engagement clamping device, the pulling piece that stops thus packer with respect to the axle of packer along at least one direction displacement.
17. methods as claimed in claim 8, is characterized in that, are also included in the described safety joint of actuating and set described packer before.
18. 1 kinds of inactive systems of packers, comprising:
Safety joint; And
Packer pulls piece locking mechanism,
Wherein, the actuating of described safety joint operation pulls piece locking mechanism, stop thus pull piece with respect to the axle of packer along a direction displacement.
19. systems as claimed in claim 18, is characterized in that, the actuating of described safety joint makes tubular drill string each several part throw off connection.
20. systems as claimed in claim 18, is characterized in that, the actuating of described safety joint is exposed in well before pressure chamber.
21. systems as claimed in claim 18, is characterized in that, described pulling piece locking mechanism comprises collet chuck, and wherein, described collet chuck is meshed in the actuating of described safety joint, stop to pull thus piece with respect to axle along described direction displacement.
22. systems as claimed in claim 18, is characterized in that, described pulling piece locking mechanism comprises clamping device, and wherein, described clamping device is meshed in the actuating of described safety joint, stop to pull thus piece with respect to axle along described direction displacement.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2012/027799 WO2013133796A1 (en) | 2012-03-06 | 2012-03-06 | Deactivation of packer with safety joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104145075A true CN104145075A (en) | 2014-11-12 |
Family
ID=49117135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280071147.9A Pending CN104145075A (en) | 2012-03-06 | 2012-03-06 | Deactivation of packer with safety joint |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2823138A4 (en) |
| CN (1) | CN104145075A (en) |
| AU (1) | AU2012372853B2 (en) |
| SG (1) | SG11201405454QA (en) |
| WO (1) | WO2013133796A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201204742D0 (en) * | 2012-03-19 | 2012-05-02 | Muchalls Oilfield Service Company Ltd | A downhole disconnect device and method of operation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2802534A (en) * | 1955-09-26 | 1957-08-13 | Baker Oil Tools Inc | Retrievable double holding subsurface well tool |
| US4018274A (en) * | 1975-09-10 | 1977-04-19 | Brown Oil Tools, Inc. | Well packer |
| CN1054644A (en) * | 1990-03-07 | 1991-09-18 | 帕姆普泰克公司 | In sub-sea drilled wells, discharge the equipment of grouting pipe close at a distance |
| US5178219A (en) * | 1991-06-27 | 1993-01-12 | Halliburton Company | Method and apparatus for performing a block squeeze cementing job |
| CA2462012A1 (en) * | 2004-03-23 | 2005-09-23 | Smith International, Inc. | System and method for installing a liner in a borehole |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3043372A (en) * | 1959-03-02 | 1962-07-10 | Guiberson Corp | Anchoring device |
| US3524501A (en) * | 1968-07-15 | 1970-08-18 | Halliburton Co | Packer apparatus with latching mechanism |
| US4858690A (en) * | 1988-07-27 | 1989-08-22 | Completion Services, Inc. | Upward movement only actuated gravel pack system |
-
2012
- 2012-03-06 WO PCT/US2012/027799 patent/WO2013133796A1/en active Application Filing
- 2012-03-06 CN CN201280071147.9A patent/CN104145075A/en active Pending
- 2012-03-06 EP EP12870521.7A patent/EP2823138A4/en not_active Withdrawn
- 2012-03-06 SG SG11201405454QA patent/SG11201405454QA/en unknown
- 2012-03-06 AU AU2012372853A patent/AU2012372853B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2802534A (en) * | 1955-09-26 | 1957-08-13 | Baker Oil Tools Inc | Retrievable double holding subsurface well tool |
| US4018274A (en) * | 1975-09-10 | 1977-04-19 | Brown Oil Tools, Inc. | Well packer |
| CN1054644A (en) * | 1990-03-07 | 1991-09-18 | 帕姆普泰克公司 | In sub-sea drilled wells, discharge the equipment of grouting pipe close at a distance |
| US5178219A (en) * | 1991-06-27 | 1993-01-12 | Halliburton Company | Method and apparatus for performing a block squeeze cementing job |
| CA2462012A1 (en) * | 2004-03-23 | 2005-09-23 | Smith International, Inc. | System and method for installing a liner in a borehole |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2823138A4 (en) | 2016-08-03 |
| AU2012372853A1 (en) | 2014-10-23 |
| AU2012372853B2 (en) | 2016-09-01 |
| EP2823138A1 (en) | 2015-01-14 |
| WO2013133796A1 (en) | 2013-09-12 |
| SG11201405454QA (en) | 2014-10-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141112 |