CN105612308A - Riserless completions - Google Patents
Riserless completions Download PDFInfo
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- CN105612308A CN105612308A CN201480055716.XA CN201480055716A CN105612308A CN 105612308 A CN105612308 A CN 105612308A CN 201480055716 A CN201480055716 A CN 201480055716A CN 105612308 A CN105612308 A CN 105612308A
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- Prior art keywords
- pit shaft
- barrier
- packer
- arbitrary
- hole
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- 230000004888 barrier function Effects 0.000 claims abstract description 86
- 125000006850 spacer group Chemical group 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000002955 isolation Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 238000005553 drilling Methods 0.000 claims description 9
- 238000005538 encapsulation Methods 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 5
- 230000007474 system interaction Effects 0.000 claims description 2
- 239000004576 sand Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000254175 Anthonomus grandis Species 0.000 description 1
- 241001443588 Cottus gobio Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000003578 releasing effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
-
- 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
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/035—Well heads; Setting-up thereof specially adapted for underwater installations
-
- 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
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
- E21B33/064—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers specially adapted for underwater well heads
-
- 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
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
Landscapes
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Earth Drilling (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Measuring Fluid Pressure (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
A downhole barrier system comprising: a wellbore; an upper packer; an upper barrier valve; a pressure sensor; a ported sub; a lower packer; a lower pack flow port sliding sleeve; and a lower barrier valve.
Description
The cross reference of related application
U.S. Provisional Application the 61/888th is enjoyed in the application's request, the rights and interests of No. 597, and this U.S. facesTime apply on October 9th, 2013 propose, combine in the text with way of reference.
Technical field
The disclosure relates to the method for suspending a well, completion or well workover on the whole. More specifically,In certain embodiments, the disclosure relates in the situation that not using marine riser and preventer systemThe method of suspending a well, completion or well workover.
Background technology
In order suitably to carry out well control, and meet the relevant safe method in the many compasss of competency in the worldMake requirement, the general principle that most of operation company takes can ensure that at least two are verified separatelyBarrier remain on correct position constructing well or suspended well operating period always. Suspending a wellConventional method relate to, use mobile offshore drilling unit (MODU), pass through water proofPipe and under water preventer (BOP) pipeline install well tool. Conventionally, these conventional methods are wantedAsk the closed conduct between wellhead assembly and deployment unit to keep main well control test fluid to existPosition in pit shaft. In the time using these methods to carry out drilling well or carry out other operations, in completionInstrument install whole during require MODU in position.
U.S. Patent No. 7,438, has described the additive method of suspending a well in 135, and this U.S. is specialThe full content of profit combines in the text with way of reference. In brief, U.S. Patent No. 7,438,135Number described the method for suspending a well, the method does not require supplements well control by blowout preventer setNot enough. The shortcoming of this method is that the barrier system described in this United States Patent (USP) is unsuitable for usingIn open water environment. In addition, the method described in this United States Patent (USP) comprises, enters thick and fastBarrier is installed and checked to the high risk wireline operation of row, but do not adopt while there is down-hole faultIn the means of mudline place isolation pit shaft.
A kind of need to develop suspending a well, completion or well workover method, it is suitable at open waterImplement to install, do not require marine riser and the preventer system of using.
Summary of the invention
The disclosure relates generally to the method for suspending a well, completion or well workover. More specifically,In certain embodiments, the disclosure relates in the situation that not using marine riser and preventer systemThe method of suspending a well, completion or well workover.
In one embodiment, the disclosure provides a kind of down-hole barrier system, and it comprises: wellCylinder, top packer, below packer, top barrier valve, below barrier valve, pressure sensingDevice, ported sub and below flow orifice encapsulation sliding sleeve.
In another embodiment, the disclosure provides a kind of well bore isolation system, and it comprises: wellCylinder, down-hole barrier, sling plug and under water spacer assembly.
In another embodiment, the disclosure provides a kind of method, and it comprises the following steps: carryFor the well system that comprises pit shaft and preventer; Down-hole barrier is arranged in pit shaft, by sling plugBe arranged on pit shaft top place; Remove preventer, spacer assembly is arranged on to pit shaft top place; MoveWalk sling plug, top completion tool is installed in pit shaft; Fetch spacer assembly under water; To adoptOil tree is arranged on pit shaft top place; Fetch sling plug; With tree cap is arranged on production tree.
Brief description of the drawings
By the description with reference to carrying out below in conjunction with accompanying drawing, can understand the present invention more completely and thoroughlyEmbodiment and advantage thereof.
Fig. 1 shows the down-hole barrier system according to some embodiment of the present disclosure.
Fig. 2 shows the well bore isolation system according to some embodiment of the present disclosure.
Fig. 3 A-3L shows the method according to some embodiment of the present disclosure.
Detailed description of the invention
Those skilled in the art can easily find out feature and advantage of the present disclosure. Although abilityThe technical staff in territory can make many changes, but these change in essential scope of the present disclosure.
Description below comprises typical device, method, technology and/or Control sequence, and they are concreteEmbody the technology of theme of the present invention. But, being construed as, described embodiment can not haveHave in the situation of these details and implement.
The disclosure relates generally to the method for suspending a well, completion or well workover. More specifically, existIn some embodiment, the disclosure relates in the situation that not using marine riser and preventer system temporaryStop the method for drilling well, completion or well workover.
In certain embodiments, the disclosure described do not require use drilling well BOP and/or everyThe method and system of top completion tool can be installed in the situation of water pipe. In certain embodiments,Method and system described in literary composition can keep pressing during suspending a well, well workover or completion wholePower control envelope (pressurecontrolenvelop), meets the requirement of double screen barrier. Real at someExecute in example, the disclosure can be under two barrier protections without marine riser in the situation that, carry out above completionInstrument is installed, if the degeneration of barrier state, could barrier wells. In certain embodiments, constructingDuring the completion tool of below, in the situation that does not have other wells to get involved, can carry out safely and effectivelyWell barrier is installed. What in certain embodiments, the disclosure was installed in suspending a well and completion is anyStage, the integrality of energy Real-Time Monitoring barrier.
In certain embodiments, the disclosure provides a kind of down-hole barrier system, and it comprises pit shaftWith down-hole barrier. Fig. 1 shows this system. Referring now to Fig. 1, Fig. 1 shows and comprisesThe down-hole barrier system 100 of pit shaft 110 and down-hole barrier 120. In certain embodiments, wellLower barrier system 100 can be " the main down-hole barrier in single trip ". In literary composition, useTerm " the main down-hole barrier in single trip " represent can pass through single tripAnd the barrier that is deployed and checks.
In certain embodiments, pit shaft 110 can be the pit shaft that penetrates the subterranean layer of any type.In certain embodiments, pit shaft 110 is suitable for the well of any type. Can be used as the well of pit shaft 110For example comprise underwater well, platform well and land well. In certain embodiments, can be used as pit shaft 110Well can be oil and/or gas production well or gas injection well and/or water injection well. In certain embodiments,Pit shaft 110 can adopt sleeve pipe 111 linings.
In certain embodiments, down-hole barrier 120 can comprise top packer 121, below envelopeEvery device 122, top barrier valve 123, below barrier valve 124, ported sub 125, below streamMoving hole encapsulation sliding sleeve 126 and pressure sensor 127.
In certain embodiments, top packer 121 can comprise and can in pit shaft, isolate intervalAny sealing device. The example of appropriate device comprises production packer, across every packer, gravelFilling packer and metal-metal inflatable packer. In certain embodiments, top packer121 can be positioned at down-hole barrier 120 top places in pit shaft 110. In certain embodiments,Top packer 121 can divide the top of pit shaft 110 112 to divide 113 with the bottom of pit shaft 110Isolation. In certain embodiments, top packer 121 can divide 112 by the top of pit shaft 110Isolate with the mid portion 114 of pit shaft 110.
In certain embodiments, below packer 122 can comprise and can in pit shaft, isolate intervalAny sealing device. The example of appropriate device comprises production packer, across every packer, gravelFilling packer and metal-metal inflatable packer. In certain embodiments, below packer122 can be in the interior location of pit shaft 110 up below packer 121. In certain embodiments,Below packer 121 can divide the bottom of pit shaft 110 113 to divide 112 with the top of pit shaft 110Isolation. In certain embodiments, below packer 121 can divide 113 by the bottom of pit shaft 110Isolate with the mid portion 114 of pit shaft 110.
In certain embodiments, top barrier valve 123 can comprise the valve of any type. SuitableThe example of valve-type comprises glass or ceramic disk and sheet or spherical mechanism. In certain embodiments,Top barrier valve 123 can be by operated from a distance to allow fluid pass top barrier valve 123. At someIn embodiment, top barrier valve 123 can be in the interior location of pit shaft 110 packer 123 times upSide or top, and be positioned at packer 122 tops, below.
In certain embodiments, below barrier valve 124 can comprise the valve of any type. SuitableThe example of valve-type comprises glass or ceramic disk and sheet or spherical mechanism. In certain embodiments,Below barrier valve 124 can be by operated from a distance to allow fluid pass below barrier valve 124. At someIn embodiment, packer 122 times below below barrier valve 124 can be positioned in pit shaft 110Side.
In certain embodiments, ported sub 125 can comprise any tube element, its can withAnnular space/space the mineralization pressure forming when barrier 120 under mounting shaft is communicated with. In some enforcementIn example, ported sub 125 can allow fluid pass ported sub 125. In certain embodiments,Ported sub 125 can be positioned in pit shaft 110, is positioned under the barrier valve 123 of top, andOn the barrier valve 124 of below.
In certain embodiments, below encapsulation sliding sleeve 126 can comprise mechanically actuated sleeve,It can isolate the sand control desired Fluid Circulation hole of circulating. In certain embodiments, gravel packSliding sleeve can be closed, and in the time that sand control circulation finishes, just seems unnecessary. In certain embodiments,Below encapsulation sliding sleeve 126 in below can be positioned in pit shaft 110 under packer 122,And below on barrier valve 124 or under.
In certain embodiments, pressure sensor 127 can comprise the pressure sensing dress of any typePut. In certain embodiments, the pressure in pressure sensor 127 energy sensing pit shaft any parts.In certain embodiments, pressure sensor 127 can be positioned at pit shaft 110 in pit shaft 110In mid portion 114.
In certain embodiments, down-hole barrier system 100 also can comprise sand control/below completion tool130. In certain embodiments, sand control/below completion tool 130 can comprise sieve husky device, pipe,Production packer, gravel pack packer, isolating valve, telescopic joint, cycling mechanism, hydraulic pressure andCable connected sum connector, pressure and temperature sensor, hydraulic line and power pipeline, clampOr plug-in connector.
In certain embodiments, down-hole barrier system 100 also can comprise top completion tool 140With production packer 150. In certain embodiments, top completion tool 140 can comprise pipe,Production packer, gas lift mandrel, telescopic joint, cycling mechanism, storm valve, chemistryAgent injecting tube, pressure and temperature meter cylinder, hydraulic line and power pipeline, clamp or plug are connectedDevice. In certain embodiments, the lowermost part 141 of top completion tool 140 may extend into wellTop packer 121 belows of lower barrier 120.
In certain embodiments, the disclosure provides a kind of well bore isolation system, and it comprises: wellCylinder, down-hole barrier, sling plug and under water spacer assembly. Fig. 2 shows this system. NowWith reference to Fig. 2, Fig. 2 shows well bore isolation system 200, and it comprises: pit shaft 210, down-hole screenBarrier 220, sling plug 230 and spacer assembly 240 under water.
In certain embodiments, pit shaft 210 can comprise above any for described in pit shaft 110Feature. In certain embodiments, pit shaft 210 can comprise sleeve pipe 211 and wellhead assembly 212.
In certain embodiments, down-hole barrier 220 can comprise that the well that is configured to provide main pressesAny combination of the element of barrier. In certain embodiments, each capable of being combined in these elementsIn the conventional tool using in the well sand face stage of constructing, to give single trip barrier systemSystem provides built-in redundancy. In certain embodiments, each in these elements has data acquisitionCollection function, thus can be in the integrality of whole length of life real-time confirmation barrier. At someIn embodiment, down-hole barrier 220 can comprise above for the feature described in down-hole barrier 120Any combination. In certain embodiments, down-hole barrier 220 can be arranged in pit shaft 210Wellhead assembly 212 belows.
In certain embodiments, sling plug 230 can comprise intelligent sling plug. At some embodimentIn, sling plug 230 can be arranged on wellhead assembly 212 places in pit shaft 210. In some enforcementIn example, the salable pit shaft 210 of sling plug 230. In certain embodiments, sling plug 230 canBe convenient to suspending a well cylinder 210, to remove drilling well BOP. In certain embodiments, sling plug 230Can use existing mechanical bridge plug technology. In certain embodiments, sling plug 230 can installedTime monitor the pressure of sling plug 230 above and belows. In certain embodiments, sling plug 230Can be in its length of life by using acoustic telemetry real-time Transmission pressure data. At certainIn a little embodiment, sling plug 230 can be configured to allow work in the time that main barrier breaks downTubing string enters through hole. In certain embodiments, can realize by remote pressure pulse actuating modeEnter described through hole. In certain embodiments, being combined in downhole isolation by use sends intoIn instrument by custom-designed mechanical-hydraulic function, sling plug 230 is in downhole isolation 240Installation period between can be retrieved. In certain embodiments, sling plug 230 can with under water isolationIn the identical rountrip of device 240 installation, be retrieved.
In certain embodiments, underwater well spacer assembly 240 can comprise by well control device and blowout preventionThe configuration that device, connector, guide funnel and circulation port form. In certain embodiments, under waterDuring well spacer assembly 240 can be included in top completion tool is installed, down-hole barrier breaks downShi Zhihang well is isolated required mechanical part. In certain embodiments, underwater well spacer assembly 240Can there is the ability with deepwater drilling BOP system interaction. In certain embodiments, under waterWell spacer assembly 240 can have the operation of the bull head top kill of execution, to top completion oil pipeAfter hanger location and installation, complete the ability of pressure test. In certain embodiments, waterThe spacer assembly 240 of going into the well can be configured to and the tubing head four-way being arranged on wellhead assembly 212241 interact.
In certain embodiments, underwater well spacer assembly 240 can be modularized design. At certainIn a little embodiment, modularized design can allow the upper part of underwater well spacer assembly 240 be configured toFor specific completion practice, and the lower part 243 of underwater well spacer assembly 240 is by encouragingDouble-shear/the sealability that meets the requirement of double screen barrier provides well isolation features. At some embodimentIn, this modularized design can allow the lower part 243 of underwater well spacer assembly 240 provide to have twoThe interface platform of the individual well barrier of having built, for what configure from traditional MODU by useDrilling well BOP and riser system are gathered. In certain embodiments, underwater well spacer assembly240 upper part 242 can be removed, and by deepwater drilling, BOP replaces.
In certain embodiments, underwater well spacer assembly 240 may be configured with data acquisition function,To show wellbore pressure and flow. In certain embodiments, underwater well spacer assembly 240 can riseArrive the effect of the pipe of mud supply under water. In certain embodiments, the control on underwater well device 240System processed can activated by acoustically or by ROV (ROV).
In certain embodiments, the disclosure provides a kind of method, and it comprises the following steps: carryFor the well system that comprises pit shaft and preventer; Down-hole barrier is arranged in pit shaft, by sling plugBe arranged on pit shaft top place; Remove preventer, spacer assembly is arranged on to pit shaft top place, moveWalk sling plug, top completion tool is installed in pit shaft, fetch spacer assembly under water, installProduction tree, fetches sling plug; With, tree cap is arranged on production tree. In some enforcementIn example, the method also can comprise, oil pipe suspension plug is arranged in pit shaft. At some embodimentIn, the lowermost part of top completion tool extends to the part below of sand control and barrier system.
Referring now to Fig. 3, wherein Fig. 3 A-3L shows according to some embodiment's of the present disclosureThe process steps of method. Fig. 3 A shows pit shaft 300, sleeve pipe 305, mud line 310 andPreventer 315. Pit shaft 300 can have with above for described in pit shaft 110 and pit shaft 210Any same characteristic features. In certain embodiments, sleeve pipe 305 can add a part for pit shaft 300Lining. In certain embodiments, pit shaft 300 can be added sleeve pipe, quilt after drilling phase finishesClean out.
Then down-hole barrier 320 can be arranged on below mud line 310 in pit shaft 300, asShown in Fig. 3 B. In certain embodiments, down-hole barrier 320 can have with above for down-holeAny same characteristic features described in barrier 120 and down-hole barrier 220. In certain embodiments, wellLower barrier 320 can be arranged in pit shaft 300 in single trip.
Once down-hole barrier 320 is arranged in pit shaft 300, sling plug 325 just can be arranged on mudSlurry pipeline 310 places, as shown in Figure 3 C. In certain embodiments, sling plug 325 can haveWith above for any same characteristic features described in sling plug 230.
Once sling plug 235 is mounted, preventer 315 just can be removed, as shown in Figure 3 D.
Then spacer assembly 330 and tubing head four-way 335 under water can be arranged on to pit shaft 300 pushes upPlace of portion, as shown in Fig. 3 E. In certain embodiments, under water spacer assembly 330 can have withAbove for any same characteristic features described in spacer assembly 240 under water. In certain embodiments,Tubing head four-way 335 provides loading position can to the completion boll-weevil hanger not pierced, described inBoll-weevil hanger disposes circulation canal around.
Then sling plug 325 can be retrieved, as shown in Fig. 3 F.
Then top completion tool 340 is installed, as shown in Fig. 3 G. In certain embodiments, onThe lowermost part of side's completion tool may extend into the part below of down-hole barrier 320. At someIn embodiment, top completion tool 340 can comprise with above for 140 of top completion toolsAny same characteristic features of stating.
Then can be by the oil pipe suspension plug at top completion tool 340 top places 345 suspended well behaviourDo, as shown in Fig. 3 H. In certain embodiments, oil pipe suspension plug 345 can comprise and disposingThe logging cable of locking and releasing properties, pressure balance function and pressure detecting ability.
Then retrieval spacer assembly 330 under water, as shown in Fig. 3 I.
Then production tree 350 is installed, as shown in Fig. 3 J. In certain embodiments, production tree 350Can comprise the subsea production tree of any traditional type. In certain embodiments, dry type tree orLandwaste cap can be installed before production tree 350 is installed temporarily.
Then fetch oil pipe suspension plug 345, as shown in Fig. 3 K.
Then tree cap 355 is arranged on production tree 350, as shown in Fig. 3 L.
Although described embodiment with reference to various enforcement and mining type, will appreciate that, thisA little embodiment are illustrative, and subject area of the present invention is not so limited. Many distortion,It is possible revising, supplementing and improve.
Multiple realities are provided can to element, operation and/or the structure described in an example in the textExample. Conventionally the 26S Proteasome Structure and Function, existing as separating element in Typical Disposition can be embodied as combinationStructure or element. Similarly, the 26S Proteasome Structure and Function presenting as independent element can be implemented as pointFrom element. These and other are out of shape, revise, supplement and improvement falls into subject area of the present inventionIn.
Claims (20)
1. a down-hole barrier system, it comprises:
Pit shaft;
Top packer;
Top barrier valve;
Pressure sensor;
Ported sub;
Below packer;
Below encapsulation sliding sleeve; With
Below barrier valve.
2. down-hole according to claim 1 barrier system, wherein, described below packerIn pit shaft, be positioned at described above under packer.
3. according to the down-hole barrier system described in the arbitrary claim in claim 1-2, itsIn, described top barrier valve in pit shaft, be positioned at described below on packer.
4. according to the down-hole barrier system described in the arbitrary claim in claim 1-3, itsIn, described ported sub in pit shaft, be positioned at described above under barrier valve, and under describedOn side's barrier valve.
5. according to the down-hole barrier system described in the arbitrary claim in claim 1-4, itsIn, described below encapsulation sliding sleeve in pit shaft, be positioned at described below under packer.
6. according to the down-hole barrier system described in the arbitrary claim in claim 1-5, itsIn, described pressure sensor in pit shaft, be positioned at described above under packer and under describedOn side's packer.
7. according to the down-hole barrier system described in the arbitrary claim in claim 1-6, itsAlso comprise below completion tool.
8. according to the down-hole barrier system described in the arbitrary claim in claim 1-7, itsAlso comprise top completion tool and production packer.
9. down-hole according to claim 8 barrier system, wherein, described top completion workThe lowermost part of tool is positioned under the packer of described top.
10. a well bore isolation system, it comprises:
Pit shaft;
Down-hole barrier, it is positioned in described pit shaft;
Sling plug, it is arranged near pit shaft top and is positioned at wellhead assembly place; With
Spacer assembly under water.
11. well bore isolation systems according to claim 10, wherein, described underwater barriersComprise top packer, top barrier valve, pressure sensor, ported sub, below packer,Below encapsulation sliding sleeve and below barrier valve.
12. well bore isolation systems according to claim 11, wherein, described down-hole barrierAlso comprise top completion tool and production packer.
13. according to the well bore isolation system described in the arbitrary claim in claim 10-11,Wherein, described down-hole barrier is positioned in described pit shaft.
14. according to the well bore isolation system described in the arbitrary claim in claim 10-11,Wherein, described sling plug comprises intelligent sling plug.
15. according to the well bore isolation system described in the arbitrary claim in claim 10-14,Wherein, described sling plug is configured to enter through hole by means of work string.
16. according to the well bore isolation system described in the arbitrary claim in claim 10-14,Wherein, described spacer assembly is under water with to be arranged on tubing head four-way on described wellhead assembly mutualEffect.
17. according to the well bore isolation system described in the arbitrary claim in claim 1-16,Wherein, described spacer assembly under water can with preventer system interaction under Drilling Water.
18. 1 kinds of methods, it comprises the following steps:
The well system that comprises pit shaft, sleeve pipe and preventer is provided;
Barrier is arranged in pit shaft;
Sling plug is arranged on to pit shaft top place;
Remove described preventer;
Spacer assembly is arranged on to pit shaft top place;
Remove described sling plug;
Top completion tool is installed;
Oil pipe suspension plug is installed;
Fetch spacer assembly under water;
Production tree is installed;
Fetch described sling plug; With
Tree cap is installed.
19. methods according to claim 17, wherein, described barrier comprises top packingDevice, top barrier valve, pressure sensor, ported sub, below packer, below encapsulation are slidedMoving sleeve and below barrier valve.
20. methods according to claim 3, further comprising the steps of: oil pipe to be installed outstandingHang plug.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361888597P | 2013-10-09 | 2013-10-09 | |
| US61/888,597 | 2013-10-09 | ||
| PCT/US2014/058786 WO2015054020A1 (en) | 2013-10-09 | 2014-10-02 | Riserless completions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105612308A true CN105612308A (en) | 2016-05-25 |
Family
ID=52813519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480055716.XA Pending CN105612308A (en) | 2013-10-09 | 2014-10-02 | Riserless completions |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20160251931A1 (en) |
| EP (1) | EP3055489A4 (en) |
| CN (1) | CN105612308A (en) |
| AU (1) | AU2014332360B2 (en) |
| BR (1) | BR112016007623A2 (en) |
| WO (1) | WO2015054020A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558940A (en) * | 2017-10-12 | 2018-01-09 | 中国海洋石油总公司 | A kind of light-duty well repairing device in deep water hydrocarbon field and method |
| CN107762443A (en) * | 2016-08-18 | 2018-03-06 | 中国石油化工股份有限公司 | Well repairing device and method for well fixing |
| CN112647857A (en) * | 2019-10-12 | 2021-04-13 | 中国石油化工股份有限公司 | Injection-production string and well completion method using same |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017105958A1 (en) * | 2015-12-14 | 2017-06-22 | Halliburton Energy Services, Inc. | One trip completion assembly system and method |
| WO2018208171A1 (en) * | 2017-05-11 | 2018-11-15 | Icon Instruments As | Method and apparatus for suspending a well |
| NO345981B1 (en) * | 2017-05-11 | 2021-12-06 | Icon Instr As | Method and apparatus for suspending a well |
| US11396789B2 (en) | 2020-07-28 | 2022-07-26 | Saudi Arabian Oil Company | Isolating a wellbore with a wellbore isolation system |
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- 2014-10-02 AU AU2014332360A patent/AU2014332360B2/en not_active Ceased
- 2014-10-02 WO PCT/US2014/058786 patent/WO2015054020A1/en active Application Filing
- 2014-10-02 CN CN201480055716.XA patent/CN105612308A/en active Pending
- 2014-10-02 EP EP14852031.5A patent/EP3055489A4/en not_active Withdrawn
- 2014-10-02 BR BR112016007623A patent/BR112016007623A2/en not_active IP Right Cessation
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| US20060237189A1 (en) * | 2003-08-08 | 2006-10-26 | Page Peter E | Method of suspending, completing and working over a well |
| WO2005047639A2 (en) * | 2003-11-05 | 2005-05-26 | Fmc Technologies, Inc. | Subsea completion system and method of using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107762443A (en) * | 2016-08-18 | 2018-03-06 | 中国石油化工股份有限公司 | Well repairing device and method for well fixing |
| CN107762443B (en) * | 2016-08-18 | 2019-12-24 | 中国石油化工股份有限公司 | Well workover device and well workover method |
| CN107558940A (en) * | 2017-10-12 | 2018-01-09 | 中国海洋石油总公司 | A kind of light-duty well repairing device in deep water hydrocarbon field and method |
| CN107558940B (en) * | 2017-10-12 | 2019-08-09 | 中国海洋石油集团有限公司 | A kind of light-duty well repairing device in deep water hydrocarbon field and method |
| CN112647857A (en) * | 2019-10-12 | 2021-04-13 | 中国石油化工股份有限公司 | Injection-production string and well completion method using same |
| CN112647857B (en) * | 2019-10-12 | 2022-11-25 | 中国石油化工股份有限公司 | Injection-production string and well completion method using same |
Also Published As
| Publication number | Publication date |
|---|---|
| US20160251931A1 (en) | 2016-09-01 |
| BR112016007623A2 (en) | 2017-08-01 |
| WO2015054020A1 (en) | 2015-04-16 |
| EP3055489A4 (en) | 2018-07-11 |
| EP3055489A1 (en) | 2016-08-17 |
| AU2014332360A1 (en) | 2016-03-31 |
| AU2014332360B2 (en) | 2017-05-11 |
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Application publication date: 20160525 |