CN108678669A - There is the static directional type rotary steerable tool of packet - Google Patents
There is the static directional type rotary steerable tool of packet Download PDFInfo
- Publication number
- CN108678669A CN108678669A CN201810819503.XA CN201810819503A CN108678669A CN 108678669 A CN108678669 A CN 108678669A CN 201810819503 A CN201810819503 A CN 201810819503A CN 108678669 A CN108678669 A CN 108678669A
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- China
- Prior art keywords
- mandrel
- rotary steerable
- packet
- outer barrel
- steerable tool
- 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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- 230000003068 static effect Effects 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 73
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 33
- 230000000694 effects Effects 0.000 claims abstract description 23
- 230000008878 coupling Effects 0.000 claims abstract description 16
- 238000010168 coupling process Methods 0.000 claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 claims abstract description 16
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 19
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003345 natural gas Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 210000002105 tongue Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Earth Drilling (AREA)
Abstract
The present invention relates to the drilling tools of the drilling fields such as oil, natural gas, are a kind of static directional type rotary steerable tools having packet.Technical problem：How deflecting effect is increased.Technical solution：One bump is set in static directional type rotary steerable tool front end, drill bit is made to deviate drillstring axis.Technical characteristic, including：Mandrel, pedestal, universal coupling, outer barrel, biasing mechanism, self-aligning bearing；Pedestal connects universal coupling, universal coupling connecting mandrel, and mandrel is fixedly connected with drill bit；The outer rotatable socket pedestal of tube rear end, the rotatable socket mandrel in front end；Biasing mechanism is set between mandrel and outer barrel, is located at core back-end；Self-aligning bearing is set between mandrel and outer barrel, is located at mandrel front end；Bump is fixedly connected on the side of outer cylinder front end periphery.Advantageous effect：Bump is located at the deflecting effect of front end side generation and the deflecting effect of biasing mechanism generation is located at borehole wall homonymy, and the two superposition generates the deflecting effect of bigger.
Description
Technical field
The present invention relates to the drilling tools of the drilling fields such as oil, natural gas, are a kind of static directional type rotations having packet
Steering tool.
Background technology
With ultradeep well, high-leveled and difficult directional well, cluster well, horizontal well, extended reach well, Multilateral Wells and 3 D complex structure well
Development, rotary steerable tool is because effect of hole cleaning is more preferable, wellbore trajectory control accuracy higher, and displacement extension ability is stronger,
Gradually instead of traditional slide-and-guide tool.However, a key technology index -- the deflecting of existing rotary steerable tool
Rate -- opposite conventional slip guide drilling tool does not have advantage, so, in some well sections, such as horizontal well inclination section, horizontal well
Ladder section, distinguishingly interval equipotential, which are set, has to be continuing with conventional slip guide drilling tool to increase build angle rate.
So inventing new rotary steerable tool, increase deflecting effect, it is required when being.
Invention content
The present invention for the technical issues of be：How deflecting effect and the deficiencies in the prior art are increased.
The technical solution adopted by the present invention is：One bump is set in static directional type rotary steerable tool front end, is made
Drill bit deviates drillstring axis, to increase unilateral build angle rate, coordinates static directional type rotary steerable tool deflecting, and then can increase total
Unilateral build angle rate.
The technical characteristic that the present invention includes has：A kind of static directional type rotary steerable tool having packet, including：Mandrel, base
Seat, universal coupling, outer barrel, biasing mechanism, self-aligning bearing.
Pedestal rear end is fixedly connected with drill string, for the static directional type rotary steerable tool for having packet to be connected to drill string
On；Pedestal front end connects universal coupling, universal coupling front end connecting mandrel, and mandrel front end is fixedly connected with drill bit, and being used for will
The torque that drill string rotating generates is transmitted to drill bit, realizes the cutting to rock stratum.
Outer tube rear end is rotatable to be socketed on pedestal, and outer cylinder front end is rotatable to be socketed on mandrel；For wrapping up
The static directional type rotary steerable tool internal component of packet is stated, it can be laterally static by the opposite borehole wall that rubs（The opposite borehole wall is not
Rotation）, bearing is provided for mandrel rotation.
Biasing mechanism is set between mandrel and outer barrel, is located at core back-end；It can make to bias with mandrel, one is provided for drill bit
A and inclination angle for having the static directional type rotary steerable tool front end axis of packet inconsistent, and then generate guiding role.
Self-aligning bearing is set between mandrel and outer barrel, is located at mandrel front end, for providing fulcrum for mandrel rotation.
Described to have the rotary steerable tool of packet further include bump, and bump is fixedly connected on the one of outer cylinder front end periphery
Side.When outer barrel is laterally static by the opposite borehole wall of rubbing, bump backup corresponds to the side borehole wall, so that drill bit is biased to opposite another
The side borehole wall, to increase the unilateral cutting of drill bit, to realize guiding purpose.
In the application, the front end refers to close to one end of drill bit；The rear end, it is corresponding with front end, refer to close to drill string
One end.In the application, one word of setting refers to prior setting, determines.
Further, bump is bilateral symmetry.It is beneficial to drill string to rotate in pit shaft.
It is further, described that have the static directional type rotary steerable tool of packet further include driving mechanism；Driving mechanism is set to
It, can controlled driving outer barrel and pedestal relative rotation between outer barrel and pedestal.During directional drilling, there is the static directional type of packet
Rotary steerable tool may deviate the biased direction of setting, by driving outer barrel to be relatively rotated with pedestal, can maintain the quiet of packet
State directional type rotary steerable tool is directed toward the biased direction of setting always.
Further, driving mechanism uses electric drive.
Further, described to have the static directional type rotary steerable tool of packet further include retaining mechanism, and retaining mechanism is set to
Between outer barrel and pedestal, pedestal and outer barrel can be locked together, be used for angle holding drilling.
Further, retaining mechanism can be friction-type retaining mechanism；Friction-type retaining mechanism include cavity, thrust mechanism,
Brake pad, rubbing surface；Thrust mechanism can move back and forth in the cavity, and brake pad is pushed to squeeze or be detached from rubbing surface, for realizing
Locking or unlocked state.
Further, retaining mechanism can also be wedged type retaining mechanism, and wedged type retaining mechanism includes cavity, thrust machine
Structure, movable block tongue, card slot；Thrust mechanism can move back and forth in the cavity, and promotion activity block tongue inserts or pull out card slot, for real
Now locking or unlocked state.
Further, the biasing mechanism includes ball seat, interior eccentric hoop, interior eccentric hoop；Ball seat, which can slide up and down, to be socketed in
On mandrel；Interior eccentric hoop is rotatable to be socketed on ball seat, can make angular movement between interior eccentric hoop and ball seat, and outer eccentric hoop can revolve
What is turned is socketed on interior eccentric hoop, and outer eccentric hoop is rotatably arranged in outer barrel.Biasing mechanism can be such that mandrel axis runout bores
Column and outer barrel axis, and then an inclination angle inconsistent with borehole axis is provided for drill bit, generate guiding role；Interior eccentric hoop,
Outer eccentric hoop can be driven by for example rimless motor of external force.
Further, ball seat is rotatable is socketed on mandrel.
The present invention also provides a kind of drill assembly, it is provided with the static directional type rotary steerable tool for having packet, it is described
There is the static directional type rotary steerable tool rear end connection drill string of packet, front end connects drill bit.
Because there is the static directional type rotary steerable tool of packet close to drill bit, and this programme is solid in outer cylinder front end side
Surely a bump is connected, it appears that one packet that has been outer tube length, so, it is to have the static of packet to be directed toward by this programme name definition
Formula rotary steerable tool, simple, accurate, image.
In the present invention, according to techniques known, necessary component, unit or system are set in necessary place.
Such as power supply is set on drill string, control system is set on drill string, bearing is set at necessity, sealing is set at necessity
Part；Drilling fluid is delivered to shaft bottom by drill string, universal coupling and mandrel, drill bit.
The advantageous effect that the present invention obtains has：1）The front end side for having the static directional type rotary steerable tool of packet is solid
Surely it is connected with bump, outer barrel is laterally static with the borehole wall, causes drill bit to be tilted to the opposite other side borehole wall, is bored to increase
Deflecting effect is realized in the unilateral cutting of head；2）Bump is located at deflecting effect and the biasing mechanism generation of front end side generation
Deflecting effect is located at borehole wall homonymy, and the two superposition generates the deflecting effect of bigger；It obtains and is led than simple existing directional type rotation
To the stronger deflecting ability of tool, it is beneficial in some well sections, such as horizontal well inclination section, horizontal well ladder section, special formation
The positions deflectings such as section；3）By adjusting biasing mechanism and outer barrel in drilling process, retaining mechanism locking, bump is with drill string one
With rotation, outer barrel, can angle holding drilling with respect to borehole wall continuous rotation.
Description of the drawings
There is the static directional type rotary steerable tool structural schematic diagram of packet when Fig. 1 deflecting states.
Fig. 2 self-aligning bearings and bump structural schematic diagram.
Fig. 3 biasing mechanism structural schematic diagrams.
Fig. 4 driving mechanism structure schematic diagrames.
Fig. 5 retaining mechanisms position diagrammatic cross-section.
Fig. 6 friction-type locking mechanism structure schematic diagrames.
Fig. 7 wedged type locking mechanism structure schematic diagrames.
Fig. 8 universal coupling structural schematic diagrams.
In figure, 1 mandrel, 2 pedestals, 3 drill strings, 4 drill bits, 5 bumps, 10 self-aligning bearings, 12 spherical balls, 14 balls
Cage, 20 biasing mechanisms, 22 ball seats, eccentric hoop in 24,26 outer eccentric hoops, 30 outer barrels, 40 universal couplings connect on 42
Fork is connect, 44 connecting shafts, 46 times connecting forks, 50/60 retaining mechanism, 52 cavitys, 54 thrust mechanisms, 56 brake pads, 58 rub
Wiping face, 62 cavitys, 64 thrust mechanisms, 66 movable block tongues, 68 card slots, 70 driving mechanisms, 72 first parts, 74 second
Part.
Specific implementation mode
It should be noted that in the absence of conflict, the technical characteristic in embodiment and embodiment in the present invention can
To be combined with each other.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
With reference to Fig. 1 to Fig. 8, the preferred embodiment of the present invention is described in further detail.
As shown in Figure 1, there is the static directional type rotary steerable tool of packet along 3 axis of drill string described in when describing deflecting state
Section.Bump 5 is fixedly connected on the side of 30 front end periphery of outer barrel.When outer barrel 30 is laterally static by the opposite borehole wall that rubs
When, 5 backup of bump corresponds to the side borehole wall, and drill bit 4 is made to be biased to the opposite other side borehole wall, is cut to increase the unilateral of drill bit 4
It cuts, to realize guiding purpose.
2 rear end of pedestal is fixedly connected with drill string 3, for the static directional type rotary steerable tool for having packet to be connected to brill
On column 3；2 front end of pedestal connects universal coupling 40, and 40 front end connecting mandrel 1 of universal coupling, 1 front end of mandrel is fixedly connected with brill
First 4, the torque for generating the rotation of drill string 3 is transmitted to drill bit 4, realizes the cutting to rock stratum.
On the base 2,30 front end of outer barrel is rotatable to be socketed on mandrel 1 the rotatable socket in 30 rear end of outer barrel；For
There is the static directional type rotary steerable tool internal component of packet described in package, it can be laterally static by the opposite borehole wall that rubs（Relatively
The borehole wall does not rotate）, bearing is provided for the rotation of mandrel 1.
Biasing mechanism 20 is set between mandrel 1 and outer barrel 30, is located at 1 rear end of mandrel；It can make to bias with mandrel 1, to bore
First 4 provide one and the inclination angle for having the static directional type rotary steerable tool front end axis of packet inconsistent, and then generate and lead
To effect.
Self-aligning bearing 10 is set between mandrel 1 and outer barrel 30, is located at 1 front end of mandrel, for providing branch for the rotation of mandrel 1
Point.
Driving mechanism 70 is set between outer barrel 30 and pedestal 2, can controlled driving outer barrel 30 and the relative rotation of pedestal 2.
Deflecting（Orientation）In drilling process, there is the static directional type rotary steerable tool of packet that may deviate the biased direction of setting, pass through
It drives outer barrel 30 to be relatively rotated with pedestal 2, the static directional type rotary steerable tool of packet can be maintained to be directed toward the inclined of setting always
Set direction.
Retaining mechanism 50 is set between outer barrel 30 and pedestal 2, pedestal 2 and outer barrel 30 can be locked together, for steady
Tiltedly drilling.
As shown in Fig. 2, for A-A sections in Fig. 1；Self-aligning bearing 10 includes spherical ball 12, cage 14；12 fixing sleeve of spherical ball
It is connected on mandrel 1；Cage 14 is fixed in outer barrel 30；Cage 14 is rotatable to be socketed in spherical ball 12, and cage 14
It can make angular movement between spherical ball 12.
Bump 5 is fixedly connected on the side of 30 front end periphery of outer barrel.Bump 5 is bilateral symmetry, is beneficial to bore
Column 3 rotates in pit shaft.
As shown in figure 3, for B-B sections in Fig. 1；Ball seat 22 can slide up and down, rotatable be socketed on mandrel 1；It is interior inclined
Thimble 24 is rotatable to be socketed on ball seat 22, can make angular movement between interior eccentric hoop 24 and ball seat 22, and outer eccentric hoop 26 can revolve
What is turned is socketed on interior eccentric hoop 24, and outer eccentric hoop 26 is rotatably arranged in outer barrel 30.Interior eccentric hoop 24 and outer eccentric hoop
26 cooperation rotations, can make 1 axis runout drill string 3 of mandrel and 30 axis of outer barrel, and then provide one with borehole axis not for drill bit 4
Consistent inclination angle generates guiding role；Interior eccentric hoop 24, outer eccentric hoop 26 can be driven by for example rimless motor of external force.
As shown in figure 4, for C-C sections in Fig. 1；Driving mechanism 70 is set between outer barrel 30 and pedestal 2, controlled can be driven
Outer barrel 30 is relatively rotated with pedestal 2.Driving mechanism 70 can be such, including first part 72 and second part 74, first
Such as motor stator of part 72 is fixed in outer barrel 30, and such as rotor of second part 74 is fixedly attached on the base 2,
First part 72 rotates with the cooperation of second part 74, and driving outer barrel 30 is relatively rotated with pedestal 2.During directional drilling, have
The static directional type rotary steerable tool of packet may deviate the biased direction of setting, by driving outer barrel 30 and pedestal 2 are opposite to turn
It is dynamic, the static directional type rotary steerable tool of packet can be maintained to be directed toward the biased direction of setting always.
As shown in figure 5, for D-D sections in Fig. 1；Retaining mechanism 50 is set between outer barrel 30 and pedestal 2, can be pedestal 2
It is locked together with outer barrel 30, outer barrel 30 rotates together with drill string 3, is used for angle holding drilling.
As shown in fig. 6, retaining mechanism 50 can be friction-type retaining mechanism 50；Friction-type retaining mechanism 50 includes cavity
52, thrust mechanism 54, brake pad 56, rubbing surface 58；Thrust mechanism 54 can move back and forth in cavity 52, and brake pad 56 is pushed to squeeze
Pressure is detached from rubbing surface 58, for realizing locking or unlocked state.
As shown in fig. 7, retaining mechanism 60 can also be wedged type retaining mechanism 60, wedged type retaining mechanism 60 includes cavity
62, thrust mechanism 64, movable block tongue 66, card slot 68；Thrust mechanism 64 can move back and forth in cavity 62, promotion activity block tongue 66
Card slot 68 is inserted or pull out, for realizing locking or unlocked state.
As shown in figure 8, universal coupling 40 includes sequentially connected upper connecting fork 42, connecting shaft 44 and lower connecting fork 46；
Pedestal 2 is connect with upper connecting fork 42, and upper connecting fork 42 uses cross axis connection, connecting shaft 44 and lower connecting fork 46 with connecting shaft 44
By cross axis connection, lower connecting fork 46 is connect with mandrel 1；The torque that the rotation of drill string 3 generates passes through universal coupling 40 and core
Axis 1 acts on cutting of the realization of drill bit 4 to rock stratum.
The working method of the present invention has：1）Directional drilling pattern, the front end side for having the rotary steerable tool of packet are solid
Surely it is connected with bump 5, is unlocked by retaining mechanism 50, outer barrel 30 is laterally static with the borehole wall, causes drill bit 4 to opposite another
The side borehole wall tilts, and to increase the unilateral cutting of drill bit 4, realizes deflecting effect； 2）Directional drilling pattern, retaining mechanism 50
Unlock, outer barrel 30 are laterally static with respect to the borehole wall, the deflecting effect position that the deflecting effect that bump 5 generates is generated with biasing mechanism 20
In borehole wall homonymy, the two superposition further increases unilateral build angle rate；3）Angle holding drilling pattern, the deflecting effect that bump 5 generates
The deflecting effect generated with biasing mechanism 20 is located at borehole wall two opposite sides, and the two will be restricted mutually, offsets deflecting effect；4）Surely
Oblique drill mode, retaining mechanism 50 are locked, and bump 5 rotates together with drill string 3, and outer barrel 30, can be steady with respect to borehole wall continuous rotation
Tiltedly drilling.
The above is only presently preferred embodiments of the present invention, but it is understood that, the invention is not limited in disclosed
Embodiment and component, on the contrary, it is intended to cover be included within the spirit and scope of appended claims various changes
Type, feature combination, equivalent device and equivalent component.In addition, there is the size of the feature of each component in the accompanying drawings simultaneously
It is not limiting, wherein the size of each component can be different from the size of component of description in the accompanying drawings.Therefore, the present invention uses
In covering to remodeling of the invention and deformation, as long as they are in the range of appended claims and their equivalent scheme
Within.
Claims (10)
1. a kind of static directional type rotary steerable tool having packet, including：Mandrel（1）, pedestal（2）, universal coupling（40）, outside
Cylinder（30）, biasing mechanism（20）, self-aligning bearing（10）；
Pedestal（2）Rear end is fixedly connected with drill string（3）；Pedestal（2）Front end connects universal coupling（40）, universal coupling（40）Before
Hold connecting mandrel（1）, mandrel（1）Front end is fixedly connected with drill bit（4）；
Outer barrel（30）Rear end is rotatable to be socketed in pedestal（2）On, outer barrel（30）Front end is rotatable to be socketed in mandrel（1）On；
Biasing mechanism（20）It is set to mandrel（1）With outer barrel（30）Between, it is located at mandrel（1）Rear end；
Self-aligning bearing（10）It is set to mandrel（1）With outer barrel（30）Between, it is located at mandrel（1）Front end；
It is characterized in that：It is described that have the rotary steerable tool of packet further include bump（5）, bump（5）It is fixedly connected on outer barrel
（30）The side of front end periphery.
2. the static directional type rotary steerable tool according to claim 1 for having packet, it is characterised in that：Bump（5）For
Bilateral symmetry.
3. there is the static directional type rotary steerable tool of packet according to claims 1 or 2 any one of them, it is characterised in that：Institute
The static directional type rotary steerable tool for stating packet further includes driving mechanism（70）；Driving mechanism（70）It is set to outer barrel（30）With
Pedestal（2）Between, it can controlled driving outer barrel（30）With pedestal（2）It relatively rotates.
4. the static directional type rotary steerable tool according to claim 3 for having packet, it is characterised in that：Driving mechanism（70）
Use electric drive.
5. there is the static directional type rotary steerable tool of packet according to 1,2,4 any one of them of claim, it is characterised in that：Institute
The static directional type rotary steerable tool for stating packet further includes retaining mechanism（50）, retaining mechanism（50）It is set to outer barrel（30）With
Pedestal（2）Between, it can be pedestal（2）With outer barrel（30）It is locked together.
6. the static directional type rotary steerable tool according to claim 5 for having packet, it is characterised in that：Retaining mechanism（50）
It can be friction-type retaining mechanism（50）；Friction-type retaining mechanism（50）Including cavity（52）, thrust mechanism（54）, brake pad
（56）, rubbing surface（58）；Thrust mechanism（54）It can be in cavity（52）Inside move back and forth, pushes brake pad（56）It squeezes or is detached from and rub
Wiping face（58）.
7. the static directional type rotary steerable tool according to claim 5 for having packet, it is characterised in that：Retaining mechanism（60）
It can also be wedged type retaining mechanism（60）, wedged type retaining mechanism（60）Including cavity（62）, thrust mechanism（64）, active card
Tongue（66）, card slot（68）；Thrust mechanism（64）It can be in cavity（62）Inside move back and forth, promotion activity block tongue（66）It inserts or pull out
Card slot（68）.
8. there is the static directional type rotary steerable tool of packet according to 1,2,4,6,7 any one of them of claim, feature exists
In：The biasing mechanism（20）Including ball seat（22）, interior eccentric hoop（24）, interior eccentric hoop（24）；Ball seat（22）It can slide up and down
Be socketed in mandrel（1）On；Interior eccentric hoop（24）It is rotatable to be socketed in ball seat（22）On, interior eccentric hoop（24）With ball seat（22）
Between can make angular movement, outer eccentric hoop（26）It is rotatable to be socketed in interior eccentric hoop（24）On, outer eccentric hoop（26）It is rotatable
It is arranged in outer barrel（30）It is interior.
9. the static directional type rotary steerable tool according to claim 8 for having packet, it is characterised in that：Ball seat（22）It can revolve
What is turned is socketed in mandrel（1）On.
10. a kind of drill assembly, it is characterised in that：It include the static directional type for having packet such as claim 1-9 any one of them
Rotary steerable tool, the static directional type rotary steerable tool rear end connection drill string for having packet（3）, front end connects drill bit（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810819503.XA CN108678669A (en) | 2018-07-24 | 2018-07-24 | There is the static directional type rotary steerable tool of packet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810819503.XA CN108678669A (en) | 2018-07-24 | 2018-07-24 | There is the static directional type rotary steerable tool of packet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108678669A true CN108678669A (en) | 2018-10-19 |
Family
ID=63815043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810819503.XA Withdrawn CN108678669A (en) | 2018-07-24 | 2018-07-24 | There is the static directional type rotary steerable tool of packet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108678669A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016913A (en) * | 2021-11-01 | 2022-02-08 | 西安石油大学 | Directional guide nipple offset adjusting device structure of rotary guide drilling tool |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201943580U (en) * | 2011-01-25 | 2011-08-24 | 陈林 | Mechanical guide drilling jig |
| CN102606073A (en) * | 2012-04-06 | 2012-07-25 | 西安石油大学 | Guide mechanism for directing rotary steering drilling tool |
| CN104775757A (en) * | 2015-03-26 | 2015-07-15 | 中国海洋石油总公司 | Static pointing type rotary steering drilling tool |
-
2018
- 2018-07-24 CN CN201810819503.XA patent/CN108678669A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201943580U (en) * | 2011-01-25 | 2011-08-24 | 陈林 | Mechanical guide drilling jig |
| CN102606073A (en) * | 2012-04-06 | 2012-07-25 | 西安石油大学 | Guide mechanism for directing rotary steering drilling tool |
| CN104775757A (en) * | 2015-03-26 | 2015-07-15 | 中国海洋石油总公司 | Static pointing type rotary steering drilling tool |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016913A (en) * | 2021-11-01 | 2022-02-08 | 西安石油大学 | Directional guide nipple offset adjusting device structure of rotary guide drilling tool |
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| PB01 | Publication | ||
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Application publication date: 20181019 |