CN107035360B - Near-bit geo-steering system - Google Patents
Near-bit geo-steering system Download PDFInfo
- Publication number
- CN107035360B CN107035360B CN201710295549.1A CN201710295549A CN107035360B CN 107035360 B CN107035360 B CN 107035360B CN 201710295549 A CN201710295549 A CN 201710295549A CN 107035360 B CN107035360 B CN 107035360B
- Authority
- CN
- China
- Prior art keywords
- drill collar
- measuring instrument
- bit
- geo
- steering system
- 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.)
- Active
Links
- 238000009434 installation Methods 0.000 claims abstract description 14
- 239000003921 oil Substances 0.000 claims description 26
- 238000005259 measurement Methods 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005553 drilling Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XQCFHQBGMWUEMY-ZPUQHVIOSA-N Nitrovin Chemical compound C=1C=C([N+]([O-])=O)OC=1\C=C\C(=NNC(=N)N)\C=C\C1=CC=C([N+]([O-])=O)O1 XQCFHQBGMWUEMY-ZPUQHVIOSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004904 shortening 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
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
-
- 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
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
- E21B47/017—Protecting measuring instruments
-
- 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
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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)
- Geophysics (AREA)
- Earth Drilling (AREA)
Abstract
Near-bit geo-steering system, including the first drill collar and the second drill collar, first drill collar and the second drill collar are tubular structure, first drill collar is located at the lower part of the second drill collar, the upper diameter of first drill collar is less than the diameter of its underpart, the upper periphery side of first drill collar opens up several measuring instrument placing grooves, the first cable hole is opened up at the top of each measuring instrument placing groove, instrument mounting box is equipped in measuring instrument placing groove, the nearly drill bit measuring instrument of installation in instrument mounting box, the outside of measuring instrument placing groove is equipped with end cap, and end cap blocks the notch of measuring instrument placing groove.In the present invention, measuring instrument placing groove is located at the middle of the first drill collar and the second drill collar, outside protected by end cap, outer shroud etc., the drill bit measuring instrument in instrument mounting box is completely wrapped, and effectively improves anti-pressure ability.The notch of measuring instrument placing groove is formed the closing mouth of distal end, is improved whole compressive effect, prolong the service life by outer ring seal, thread bush, ensures that is measured is normally carried out.
Description
Technical field
The invention belongs to near-bit geological fields of measurement, specifically a kind of near-bit geo-steering system.
Background technology
Near-bit geological guiding can preferably control well track in oil drilling, improve the penetrance of oil reservoir.Mesh
Before, the measuring instrument during near-bit geological is oriented to is mounted in the side wall of drill collar, and due to underground condition complexity, installation site needs
The adverse circumstances such as high pressure are born, therefore the situation of measuring instrument crushing that the high pressure in drilling well installs drill collar usually occur, sternly
Weight causes drill collar to damage together, and measuring instrument damage and missing measurement can not complete near-bit geological and be oriented to work.
Invention content
The present invention provides a kind of near-bit geo-steering system, the defects of to solve in the prior art.
The present invention is achieved by the following technical programs：
Near-bit geo-steering system, including the first drill collar and the second drill collar, the first drill collar and the second drill collar are tubular
Structure, the first drill collar are located at the lower part of the second drill collar, and the upper diameter of the first drill collar is less than the diameter of its underpart, the first drill collar
Upper periphery side opens up several measuring instrument placing grooves, opens up the first cable hole at the top of each measuring instrument placing groove, measuring instrument is put
It puts and instrument mounting box is equipped in slot, the nearly drill bit measuring instrument of installation in instrument mounting box, the outside of measuring instrument placing groove is equipped with end cap,
End cap blocks the notch of measuring instrument placing groove；The lower part of second drill collar is outer shroud and inner ring, and outer shroud is located at the outside of inner ring, the
The top of one drill collar is inserted between outer shroud and inner ring, and the middle part periphery of the first drill collar is equipped with screw thread and coordinates installation thread bush,
The lower, outer perimeter of the outer shroud of second drill collar is equipped with external screw thread, can be with the periphery thread fitting of outer shroud, outer shroud after thread bush rotation
Correspondence opens up measured hole at corresponding end cap and on end cap；Open up the second cable hole in the middle part of second drill collar, the first cable hole and the
Two cable holes are opposite and communicate.
Near-bit geo-steering system as described above, the nearly drill bit measuring instrument include short pass communication module, orientation
Gamma module, hole deviation tool-face module, resistivity measurement module and electric power system.
Near-bit geo-steering system as described above, the end cap are the ellipsoid structure towards outside.
Near-bit geo-steering system as described above is fixedly connected with elastic plate, bullet at the top of the instrument mounting box
It is connected between property plate and the top of measuring instrument placing groove by elastic component；Measuring instrument is placed and opens up oil on the first drill collar of trench bottom
Slot, the interior filling hydraulic oil of oil groove, the side wall of oil groove open up the oil filler point communicated with the external world, and closing chock plug is equipped at oil filler point, oily
Installation piston rod in slot, the top of piston rod are located at the outside of oil groove, and the upper end of piston rod coordinates with the bottom of instrument mounting box.
Near-bit geo-steering system as described above, the periphery that the outer shroud corresponds at end cap are equipped with several evaginations
Wear ring.
Near-bit geo-steering system as described above, the upper and lower part that the inner ring corresponds to the inside at end cap are equal
The guide ring of the cambered surface of evagination is fixedly mounted.
Near-bit geo-steering system as described above, the top installation insertion tube of first cable hole, the second cabling
The bottom installation sleeve in hole, insertion tube are inserted into sleeve.
Near-bit geo-steering system as described above, the inside of first drill collar are equipped with the boss of annular, boss
Top be equipped with annular groove, the lower end of inner ring can come in and go out to annular groove.
Near-bit geo-steering system as described above, the periphery of first drill collar open up several guide grooves, and second
Guide pad is fixedly mounted in the inside of the outer shroud of drill collar, and guide pad can be moved along guide groove；Guide groove is by the first vertical slot, translot
It is formed with the second vertical slot, the first vertical slot and the second vertical slot are each perpendicular to translot, the first vertical slot top and the top phase of the first drill collar
Logical, one end of the lower part connection translot of the first vertical slot, the other end of translot connects the upper end of the second vertical slot.
It is an advantage of the invention that：In the present invention, measuring instrument placing groove is located at the middle of the first drill collar and the second drill collar,
Outside is protected by end cap, outer shroud etc., and the drill bit measuring instrument in instrument mounting box is completely wrapped, and effectively improves resistance to compression energy
Power.The notch of measuring instrument placing groove is formed the closing mouth of distal end, is improved whole compressive effect, prolong by outer ring seal, thread bush
Long life ensures that is measured is normally carried out.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of the present invention；Fig. 2 is I partial enlargement structural representation of Fig. 1；Fig. 3 is the first drill collar 1
Upper part-structure schematic diagram.
Reference numeral：1 first 2 second drill collar of drill collar, 34 first cable hole of measuring instrument placing groove, 5 instrument mounting box 6
9 oil groove of end cap 7 elastic plate, 8 elastic component, 10 oil filler point 11 closing chock plug 12 piston rod, 13 outer shroud, 14 inner ring, 15 screw thread
16 measured hole, 17 guide ring, 18 22 boss of wear ring 19 second cable hole, 20 insertion tube, 21 sleeve, 23 annular groove 24 is covered to lead
To 241 first vertical slot of slot, 242 243 second vertical slot of translot, 25 guide pad.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts shall fall within the protection scope of the present invention.
Near-bit geo-steering system, as shown in the figure, including the first drill collar 1 and the second drill collar 2, the first drill collar 1 and second
Drill collar 2 is tubular structure, and the first drill collar 1 is located at the lower part of the second drill collar 2, and the upper diameter of the first drill collar 1 is less than its underpart
Diameter, the upper periphery side of the first drill collar 1 opens up several measuring instrument placing grooves 3, and the top of each measuring instrument placing groove 3 opens up
First cable hole 4, measuring instrument placing groove 3 is interior to be equipped with instrument mounting box 5, installs nearly drill bit measuring instrument in instrument mounting box 5, measures
The outside of instrument placing groove 3 is equipped with end cap 6, and end cap 6 blocks the notch of measuring instrument placing groove 3；The lower part of second drill collar 2 is outer shroud
13 and inner ring 14, outer shroud 13 be located at the outside of inner ring 14, the top of the first drill collar 1 is inserted between outer shroud 13 and inner ring 14,
The middle part periphery of one drill collar 1 is equipped with screw thread and coordinates installation thread bush 15, and the lower, outer perimeter of the outer shroud 13 of the second drill collar 2 is equipped with outer
Screw thread, thread bush 15 rotate after can with the periphery thread fitting of outer shroud 13, outer shroud 13 correspond to end cap 6 at and end cap 6 on it is right
Measured hole 16 should be opened up, measured hole 16 can pass through the measurement head on nearly drill bit measuring instrument etc., facilitate the survey realized to drilling
Amount；The middle part of second drill collar 2 opens up the second cable hole 19, and the first cable hole 4 and the second cable hole 19 are opposite and communicate, the first cabling
4 and second cable hole 19 of hole carries out the cabling of each circuit of drill bit measuring instrument.In the present invention, measuring instrument placing groove 3 is located at the
The middle of one drill collar 1 and the second drill collar 2, outside protected by end cap 6, outer shroud 13 etc., the brill in instrument mounting box 5
Head measuring instrument is completely wrapped, and effectively improves anti-pressure ability.The notch of measuring instrument placing groove 3 is closed by outer shroud 13, thread bush 15
The closing mouth of distal end is formed, whole compressive effect is improved, prolongs the service life, ensures that is measured is normally carried out.
Specifically, the nearly drill bit measuring instrument described in the present embodiment includes short pass communication module, orientation gamma module, hole deviation
Tool-face module, resistivity measurement module and electric power system.Electric power system includes battery and controls circuit board two parts of battery
Composition, predominantly modules are powered；Short pass communication module is determined after carrying out A/D conversions and coding to the data of modules
To being transmitted in reservoir or ground system, in order in time to being arranged with brill data；Orientation gamma module is mainly adopted
With gamma sensor, orientation natural gamma data are measured, realize nearly bit orientation gamma imaging；Hole deviation tool-face module is completed near
Drill bit hole deviation angular measurement；Resistivity measurement module is completed nearly drill bit electromagnetic resistivity and is measured.
Specifically, the end cap 6 described in the present embodiment is the ellipsoid structure towards outside.The structure can be born from outer
The pressure of the bigger on boundary effectively improves resistance to compression level, the various measuring instruments of protection instrument mounting box 5.
Further, in order to reduce influence of the vibrations to instrument each in the present invention, the instrument installation described in the present embodiment
The top of box 5 is fixedly connected with elastic plate 7, and elastic plate 7 itself has certain elasticity, and top offer circuit by hole, bullet
Property plate 7 and measuring instrument placing groove 3 top between connected by elastic component 8, elastic component 8 be preferably high-tension spring or
For spring leaf；Oil groove 9 is opened up on first drill collar 1 of 3 bottom of measuring instrument placing groove, hydraulic oil, the side of oil groove 9 are filled in oil groove 9
Wall opens up the oil filler point 10 communicated with the external world, and closing chock plug 11 is equipped at oil filler point 10, piston rod 12, piston are installed in oil groove 9
The top of bar 12 is located at the outside of oil groove 9, and the upper end of piston rod 12 coordinates with the bottom of instrument mounting box 5.Instrument mounting box 5
Upper and lower part is coordinated by damping device, and middle and upper part is coordinated using elastic device, can reduce instrument mounting box 5 with surveying
The vibrations collision between 3 top of instrument placing groove is tried, buffering is used as in its underpart by hydraulic oil, and hydraulic oil can absorb most of shake
It is dynamic, and the displacement that inertia generates can be absorbed in the case where significantly shaking, so as to effectively improve antidetonation and damping effect.
Further, the periphery that the outer shroud 13 described in the present embodiment is corresponded at end cap 6 is equipped with the wear ring of several evaginations
18.The anti-pressure ability at the position can be effectively improved by wear ring 18, improves compressive effect.
Further, the inner ring 14 described in the present embodiment corresponds to the fixed peace in upper and lower part of the inside at end cap 6
Fill the guide ring 17 of the cambered surface of evagination.Guide ring 17 can make to flow to central axes direction by the fluid at inner ring 14, lead
Smaller outward pressure is formed at inner ring 14 between stream ring 17, is reduced to the impact at this.It is and narrow with flow channel
It is small, when flow velocity is very fast, fluid or even situation about hardly being contacted with inner ring 14.
Further, in order to adequately be protected to circuit, the top peace of the first cable hole 4 described in the present embodiment
Cylinder 20, the bottom installation sleeve 21 of the second cable hole 19 are plugged, insertion tube 20 is inserted into sleeve 21.Pass through insertion tube 20 and set
Cylinder 21 forms completely enclosed space, avoids the situation that circuit is exposed.
Further, in order to improve between the first drill collar 1 and the second drill collar 2 be connected after stability, this implementation
The inside of the first drill collar 1 described in example is equipped with the boss 22 of annular, and the top of boss 22 is equipped with annular groove 23, the lower end of inner ring 14
It can come in and go out to annular groove 23.Cooperation position is formed by the boss 22 of 14 lower part of inner ring and the first drill collar 1, is improved inside it
Bonding strength, effectively improve stability.
Further, the periphery of the first drill collar 1 described in the present embodiment opens up several guide grooves 24, the second drill collar 2
Guide pad 25 is fixedly mounted in the inside of outer shroud 13, and guide pad 25 can be moved along guide groove 24；Guide groove 24 is by the first vertical slot
241st, 242 and second vertical slot 243 of translot forms, and the first vertical slot 241 and the second vertical slot 243 are each perpendicular to translot 242, the first vertical slot
241 tops are communicated with the top of the first drill collar 1, one end of the lower part of the first vertical slot 241 connection translot 242, translot 242 it is another
The upper end of the second vertical slot 243 of end connection.The split process of first drill collar 1 and the second drill collar 2 is：Guide pad 25 is perpendicular along first successively
Slot 241,242 and second vertical slot 243 of translot move, and the process of the second drill collar 2 is downward, rotation, mode still further below, after split
First drill collar 1 and the second drill collar 2 are locked by thread bush 15.The structure can effectively reduce the first drill collar 1 and the second drill collar 2
Between relative rotation, will not once come off when vertical relative displacement.In the case where there is damage in thread bush 15,
Still the connection of the first drill collar 1 and the second drill collar 2 can be kept, can by the first drill collar 1 and the second drill collar 2 by drilling well hang out into
Row repair.
The present invention can combine MWD（Measurement while drilling）Or LWD（With a turn well logging）, form that a kind of function is more complete, structure
More complicated measurement-while-drilling system, it is by geologic parameter sensor measurement module and original hole deviation, upper and lower orientation gamma, resistance
The wellbore trajectories measuring instrument such as rate is combined, and geology parameter measurement is carried out at the same time in drilling process, can help scene
Personnel monitor bottom characteristic and the situation of change on stratum at any time, and accurate judgement is made in the variation and characteristic to stratum, effectively
Control well depth track navigates within the optimum position in payzone, avoids oil/gas interface, oil/water interface and water layer, best so as to obtain
Harvesting effect.Simultaneously measuring system also there is record storage, can creep into, make a trip or through wash well during it is right
Full well or the geological characteristics trajectory parameters of a certain well section carry out independent measurement or multiple measurement of comparison, all measurement data are all deposited
Storage can realize the purpose logged well, significantly improve drilling efficiency in the memory of downhole sensor, shortening drilling period, from whole
Lower drilling cost on body, improve exploration and development efficiency.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic；
And these modification or replace, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (9)
1. near-bit geo-steering system, it is characterised in that：Including the first drill collar（1）With the second drill collar（2）, the first drill collar（1）
With the second drill collar（2）It is tubular structure, the first drill collar（1）Positioned at the second drill collar（2）Lower part, the first drill collar（1）Top
Diameter is less than the diameter of its underpart, the first drill collar（1）Upper periphery side open up several measuring instrument placing grooves（3）, it is each to measure
Instrument placing groove（3）Top open up the first cable hole（4）, measuring instrument placing groove（3）It is interior to be equipped with instrument mounting box（5）, instrument peace
Mounted box（5）The interior nearly drill bit measuring instrument of installation, measuring instrument placing groove（3）Outside be equipped with end cap（6）, end cap（6）Measuring instrument is put
Put slot（3）Notch block；Second drill collar（2）Lower part be outer shroud（13）And inner ring（14）, outer shroud（13）Positioned at inner ring（14）
Outside, the first drill collar（1）Top be inserted into outer shroud（13）And inner ring（14）Between, the first drill collar（1）Middle part periphery set
There is screw thread and coordinate installation thread bush（15）, the second drill collar（2）Outer shroud（13）Lower, outer perimeter be equipped with external screw thread, thread bush
（15）It can be with outer shroud after rotation（13）Periphery thread fitting, outer shroud（13）Corresponding end cap（6）Place and end cap（6）Upper correspondence
Open up measured hole（16）；Second drill collar（2）Middle part opens up the second cable hole（19）, the first cable hole（4）With the second cable hole
（19）Relatively and communicate.
2. near-bit geo-steering system according to claim 1, it is characterised in that：The nearly drill bit measuring instrument includes
Short pass communication module, orientation gamma module, hole deviation tool-face module, resistivity measurement module and electric power system.
3. near-bit geo-steering system according to claim 1, it is characterised in that：The end cap（6）For outside
The ellipsoid structure of side.
4. near-bit geo-steering system according to claim 1, it is characterised in that：The instrument mounting box（5）'s
Top is fixedly connected with elastic plate（7）, elastic plate（7）With measuring instrument placing groove（3）Top between pass through elastic component（8）Connection；
Measuring instrument placing groove（3）First drill collar of bottom（1）On open up oil groove（9）, oil groove（9）Interior filling hydraulic oil, oil groove（9）Side
Wall opens up the oil filler point communicated with the external world（10）, oil filler point（10）Place is equipped with closing chock plug（11）, oil groove（9）Interior installation piston rod
（12）, piston rod（12）Top be located at oil groove（9）Outside, piston rod（12）Upper end and instrument mounting box（5）Bottom
Cooperation.
5. near-bit geo-steering system according to claim 1, it is characterised in that：The outer shroud（13）Corresponding end cap
（6）The periphery at place is equipped with the wear ring of several evaginations（18）.
6. near-bit geo-steering system according to claim 1, it is characterised in that：The inner ring（14）Corresponding end cap
（6）The guide ring of the cambered surface of evagination is fixedly mounted in the upper and lower part of the inside at place（17）.
7. near-bit geo-steering system according to claim 1, it is characterised in that：First cable hole（4）'s
Top is installed by insertion tube（20）, the second cable hole（19）Bottom installation sleeve（21）, insertion tube（20）It is inserted into sleeve（21）
It is interior.
8. near-bit geo-steering system according to claim 1, it is characterised in that：First drill collar（1）It is interior
Side is equipped with the boss of annular（22）, boss（22）Top be equipped with annular groove（23）, inner ring（14）Lower end can come in and go out to ring
Shape slot（23）It is interior.
9. near-bit geo-steering system according to claim 1, it is characterised in that：First drill collar（1）It is outer
Several guide grooves of Zhou Kaishe（24）, the second drill collar（2）Outer shroud（13）Inside be fixedly mounted guide pad（25）, guide pad（25）
It can be along guide groove（24）Interior movement；Guide groove（24）By the first vertical slot（241）, translot（242）With the second vertical slot（243）Group
Into the first vertical slot（241）With the second vertical slot（243）It is each perpendicular to translot（242）, the first vertical slot（241）Top and the first drill collar
（1）Top communicate, the first vertical slot（241）Lower part connection translot（242）One end, translot（242）Other end connection the
Two vertical slots（243）Upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295549.1A CN107035360B (en) | 2017-04-28 | 2017-04-28 | Near-bit geo-steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295549.1A CN107035360B (en) | 2017-04-28 | 2017-04-28 | Near-bit geo-steering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107035360A CN107035360A (en) | 2017-08-11 |
| CN107035360B true CN107035360B (en) | 2018-07-06 |
Family
ID=59537090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710295549.1A Active CN107035360B (en) | 2017-04-28 | 2017-04-28 | Near-bit geo-steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107035360B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412454B (en) * | 2022-02-14 | 2023-10-20 | 山东斯克尔地质勘探有限公司 | Logging while drilling instrument with high-strength anti-seismic function for petroleum drilling |
| CN116950566B (en) * | 2023-09-19 | 2023-12-08 | 上海达坦能源科技股份有限公司 | Self-generating near-bit geosteering tool |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6854192B2 (en) * | 2001-02-06 | 2005-02-15 | Smart Stabilizer Systems Limited | Surveying of boreholes |
| CN101289935B (en) * | 2008-06-11 | 2012-02-08 | 中国石油集团钻井工程技术研究院 | Near-bit geological guiding probe system |
| CN201443394U (en) * | 2009-05-31 | 2010-04-28 | 山东胜利伟业石油工程技术服务有限公司 | Integrative geologic guiding combination logging instrument |
| CN202081888U (en) * | 2011-06-10 | 2011-12-21 | 斯伦贝谢金地伟业油田技术(山东)有限公司 | Near-bit geo-steering system |
| CN203685033U (en) * | 2013-12-18 | 2014-07-02 | 中国石油天然气股份有限公司 | Anti-deviation bottom hole assembly |
-
2017
- 2017-04-28 CN CN201710295549.1A patent/CN107035360B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107035360A (en) | 2017-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105804719B (en) | The inside Wiring structure of connector for logging while drilling pipe nipple | |
| CN109790742A (en) | The drilling equipment of directional well is drilled through using the self-adjusting arrangement for deflecting of sealing | |
| KR102112889B1 (en) | Method for surveying drill holes, drilling arrangement, and borehole survey assembly | |
| CN205135607U (en) | Novel along with boring position gamma formation of image instrument | |
| EA007499B1 (en) | Method for improving drilling depth measurements | |
| CN101253304A (en) | Bi-directional drill string telemetry for measurement and drilling control | |
| CN107035360B (en) | Near-bit geo-steering system | |
| CN106232935A (en) | There is the casing section of at least one transmission arranged crosswise | |
| CN105793521A (en) | Downhole closed loop drilling system with depth measurement | |
| CN106232936A (en) | Use the steerable drilling method and system of the casing section with at least one transmission arranged crosswise | |
| CN109681194A (en) | A kind of wire line coring measurement while drilling and information fishing device | |
| CN102606145A (en) | Underground coal mine anti-explosion mud-pulse wireless measurement while drilling system and using method thereof | |
| CN106014396B (en) | A kind of dynamic sealing and pressure compensation structure of shear valve slurry pulsator | |
| CN202441370U (en) | Logging while drilling azimuth gamma detection instrument | |
| CN109488289A (en) | A kind of multi-parameter drilling measuring equipment | |
| CN104343437A (en) | Hole drilling track measuring device and method based on laser gyroscope | |
| CN103573257A (en) | Information transmission device for well logging during drilling | |
| CN205605207U (en) | Geology detecting device | |
| CN109322662A (en) | A kind of measurement while drilling pipe nipple | |
| CN206111169U (en) | Along with boring deviational survey instrument and measuring device based on light engine | |
| CN205719324U (en) | Multisection type temperature sensor | |
| CN204677191U (en) | Inclinometer | |
| CN107165616B (en) | Wired inclinometer while drilling | |
| CN201443394U (en) | Integrative geologic guiding combination logging instrument | |
| CN108931393A (en) | Tunnel core trephination for the research of reversed fault detecting earth stress |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Near bit geosteering system Effective date of registration: 20210701 Granted publication date: 20180706 Pledgee: Dongying Bank Development Zone sub branch Pledgor: SHANDONG DINGSHENG ELECTROMECHANICAL EQUIPMENT Inc. Registration number: Y2021980005646 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220928 Granted publication date: 20180706 Pledgee: Dongying Bank Development Zone sub branch Pledgor: SHANDONG DINGSHENG ELECTROMECHANICAL EQUIPMENT Inc. Registration number: Y2021980005646 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: Building 48 and 49, Economic Control Science and Technology Innovation Park, No. 1307 Xiangjiang Road, Huangdao District, Qingdao City, Shandong Province, 266555 Patentee after: SHANDONG DINGSHENG ELECTROMECHANICAL EQUIPMENT Inc. Address before: 257346, 50 meters south of the intersection of Central Avenue and Binsi Road in Guangrao Binhai New Area, Dongying City, Shandong Province Patentee before: SHANDONG DINGSHENG ELECTROMECHANICAL EQUIPMENT Inc. |
|
| CP02 | Change in the address of a patent holder |