CN209653964U - A kind of RG rotary guide - Google Patents
A kind of RG rotary guide Download PDFInfo
- Publication number
- CN209653964U CN209653964U CN201822012043.8U CN201822012043U CN209653964U CN 209653964 U CN209653964 U CN 209653964U CN 201822012043 U CN201822012043 U CN 201822012043U CN 209653964 U CN209653964 U CN 209653964U
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- mandrel
- transposition
- outer cylinder
- ring
- rotary guide
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- 230000017105 transposition Effects 0.000 claims abstract description 74
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000005553 drilling Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model provides a kind of RG rotary guide, including rotary guide ontology, the rotary guide ontology includes connector, sealing, spring, replace mandrel, spline piston and spline outer cylinder, the connector includes top connection and lower contact, the sealing includes sealed outer cylinder, the spring includes upper spring and lower spring, one end of the transposition mandrel is fixedly connected with top connection, the first O-ring is connected between transposition mandrel and the top connection, the other end of the transposition mandrel is connected with double female connectors, third O-ring is connected between the transposition mandrel and double female connectors, the right end of double female connectors is connected with lower mandrel, the 4th O-ring is connected between the lower mandrel and double female connectors, the right end of the lower mandrel is connected with pressure transmission nut, the right end of the pressure transmission nut is contacted with lower spring, RG rotation is led Rationally to device design, it is suitble to promote.
Description
Technical field
The utility model relates to rotary guide apparatus field, specially a kind of RG rotary guide.
Background technique
Continuous pipe drillng operation is different from utilizing drilling machine and drilling rod conventional drilling operation, because continuous pipe tube body can not rotate,
Steerable tool is needed to adjust tool direction, it is ensured that well track extends to target area according to design requirement.Such as the patent No.
The wellhead rotation guider that CN201020203336.5 is proposed, extend glue core uses the time, but can not make rotary steering
Device has powerful torque.For drilling tool towards when needing to commutate, upper lifting pipe post makes drill bit under using continuous pipe sidetracked hole
Leave rock.Bit pressure is kept to zero.In circulation, motor pressure drop can push piston motion to drive tubing string rotation.Pass through wireless magnetic
Positioning tool is transferred to ground towards parameter for tool.It after confirming direction, pushes and closes locking direction, start drilling well, locking
Angle afterwards is always maintained at until new angle needs to adjust, when need to adjust tool towards when repeat above-mentioned movement until drilling
To purpose of design.In the expansion tube that patent No. CN201720606062.6 is proposed, used in one end connection that expanding rod stretches out swollen shell
In protruding into tube expansion inner hole and with tapered expansion core rotary guide, but rotary guide is difficult to minimum adjusting angle.
So how to design a kind of RG rotary guide becomes current problem to be solved.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of RG rotary guide, on solving
The problem of proposing in background technique is stated, the utility model can accomplish minimum adjustment angle at work, not need to take on drill bit
It is adjusted by a small margin out, effectively offer working efficiency.
To achieve the goals above, the utility model is achieved through the following technical solutions: the utility model is one
Kind RG rotary guide, including rotary guide ontology, the rotary guide ontology include connector, sealing, spring, transposition core
Axis, spline piston and spline outer cylinder, the connector include top connection and lower contact, and the sealing includes sealed outer cylinder, the bullet
Spring includes upper spring and lower spring, and one end of the transposition mandrel is fixedly connected with top connection, the transposition mandrel and top connection
Between be connected with the first O-ring, the other end of the transposition mandrel is connected with double female connectors, the transposition mandrel and pair female connectors
Between be connected with third O-ring, the right end of double female connectors is connected with lower mandrel, between the lower mandrel and double female connectors
It is connected with the 4th O-ring, the right end of the lower mandrel is connected with pressure transmission nut, and the right end of the pressure transmission nut connects with lower spring
Touching, one end of the lower spring contacts with lower contact, and the right end of the top connection is connected with torsion pass set, the top connection with it is upper
Torsion pass set is fixed by anti-rotation pin one, is connected with lower torsion pass set, the lower torsion pass set and sealed outer cylinder on the transposition mandrel
It is connected, anti-rotation pin two, one end of the sealed outer cylinder and double pin end phases is connected between the torsion pass set and sealed outer cylinder
Even, the 5th O-ring, one end and the spline outer cylinder phase of double pin ends are connected between the sealed outer cylinder and double pin ends
Even, the 5th O-ring being connected between double pin ends and spline outer cylinder, one end of the spline outer cylinder is connected with lower contact,
It is connected with the 5th O-ring between the spline outer cylinder and lower contact, transposition set, the transposition core are connected on the transposition mandrel
Axis is connected with transposition set by the key that replaces, and the second O-ring is connected between the transposition set and sealed outer cylinder, the transposition set
One end is connected with spline piston, and the 6th O-ring, the spline piston and lower core are connected between the spline piston and transposition set
The 7th O-ring is connected between axis, one end of the upper spring is contacted with double female connectors, and one end of the upper spring and spline are living
Plug contact.
A kind of another embodiment as the utility model, the sealed outer cylinder are hollow cylindrical structure.
The quantity of a kind of another embodiment as the utility model, the anti-rotation pin one and anti-rotation pin two is equal
It is 2, the anti-rotation pin one is symmetrically distributed in the junction of top connection and upper torsion pass set, and the anti-rotation pin two is symmetrical
In the junction of lower torsion pass set and sealed outer cylinder.
A kind of another embodiment as the utility model, the transposition mandrel are cylindrical structure, and the core that replaces
It is hollow structure inside axis both ends.
A kind of another embodiment as the utility model, the quantity of the 5th O-ring are 3.
A kind of another embodiment as the utility model is connected with swivelling chute on the surface of the mandrel that replaces.
A kind of another embodiment as the utility model, the both ends of double pin ends are welded with threaded post, institute
It states and is connected with external screw thread in threaded post, threaded hole is connected on double female connectors, the threaded hole is internally connected with internal screw thread.
The utility model has the beneficial effects that
1. the RG rotary guide can accomplish minimum adjustment angle at work, do not need that drill bit is taken out to progress slightly
Degree is adjusted, and effectively offer working efficiency, the RG rotary guide are suitble to horizontal well operations, use letter by hydraulic operation
It is single quick；
2. there is the RG rotary guide powerful torque to guarantee the normal driving of motor more than the torque of drill motor,
After completing to turn to, the direction that tool adjusts equipment is locked, pressure wave when guaranteeing direction adjusted not by drilling well
Dynamic influence, by replacing, pin is not influenced by drilling torque, guarantees life tools；
3. mandrel is sealed with double female connectors by the 4th O-ring under the RG rotary guide, dirt is effectively avoided
Entrance, one end of double female connectors is mounted on transposition mandrel, and transposition mandrel is mounted on lower torsion pass and is put on by anti-rotation pin two,
Effectively lower torsion pass is covered by anti-rotation pin two and is subjected to displacement rotation when in use with the mandrel that replaces, normal work effectively in use
Make, effectively improves working efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model RG rotary guide；
Fig. 2 is the structural schematic diagram of double female connectors of the utility model；
Fig. 3 is the structural schematic diagram of double pin ends of the utility model；
In figure: torsion pass set, 4- sealed outer cylinder, 5- transposition mandrel, 6- transposition key, 7- under 1- top connection, the upper torsion pass set of 2-, 3-
Mandrel, the bis- pin ends of 10-, 11- upper spring, 12- spline outer cylinder, 13- spline piston, 14- under the bis- female connectors of transposition set, 8-, 9-
Spring, 17- anti-rotation pin one, the first O-ring of 18-, 19- anti-rotation pin two, 20- second under pressure transmission nut, 15- lower contact, 16-
O-ring, 21- third O-ring, the 4th O-ring of 22-, the 5th O-ring of 23-, the 6th O-ring of 24-, the 7th O-ring of 25-, 26-
Eight O-rings, the 9th O-ring of 27-, 28- threaded post, 29- external screw thread, 30- threaded hole, 31- internal screw thread.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Embodiment 1
This RG rotary guide, including rotary guide ontology, the rotary guide ontology include connector, sealing,
Spring, transposition mandrel 5, spline piston 13 and spline outer cylinder 12, the connector include top connection 1 and lower contact 15, the sealing
Including sealed outer cylinder 4, the spring includes upper spring 11 and lower spring 16, and one end of the transposition mandrel 5, which is fixedly connected, to be connect
First 1, the first O-ring 18 is connected between the transposition mandrel 5 and top connection 1, the other end of the transposition mandrel 5 is connected with
Double female connectors 8 are connected with third O-ring 21, the right end of double female connectors 8 between the transposition mandrel 5 and double female connectors 8
It is connected with lower mandrel 9, the 4th O-ring 22 is connected between the lower mandrel 9 and double female connectors 8, the right end of the lower mandrel 9 connects
It is connected to pressure transmission nut 14, the right end of the pressure transmission nut 14 is contacted with lower spring 16, one end of the lower spring 16 and lower contact
15 contacts, the right end of the top connection 1 are connected with torsion pass set 2, and the top connection 1 passes through anti-rotation pin one with upper torsion pass set 2
17 is fixed, and lower torsion pass set 3 is connected on the transposition mandrel 5, and the lower torsion pass set 3 is connected with sealed outer cylinder 4, the lower torsion pass
Anti-rotation pin 2 19 is connected between set 3 and sealed outer cylinder 4, one end of the sealed outer cylinder 4 is connected with double pin ends 10, described
The 5th O-ring 23, one end and 12 phase of spline outer cylinder of double pin ends 10 are connected between sealed outer cylinder 4 and double pin ends 10
Even, the 5th O-ring 23 is connected between double pin ends 10 and spline outer cylinder 12, one end of the spline outer cylinder 12 is connected with
Lower contact 15 is connected with the 5th O-ring 23, is connected on the transposition mandrel 5 between the spline outer cylinder 12 and lower contact 15
Transposition set 7, the transposition mandrel 5 are connected by the key 6 that replaces with transposition set 7, are connected between the transposition set 7 and sealed outer cylinder 4
There is the second O-ring 20, one end of the transposition set 7 is connected with spline piston 13, connects between the spline piston 13 and transposition set 7
It is connected to the 6th O-ring 24, is connected with the 7th O-ring 25 between the spline piston 13 and lower mandrel 9, the one of the upper spring 11
End is contacted with double female connectors 8, and one end of the upper spring 11 is contacted with spline piston 13, is not needed by above structure by drill bit
Taking-up is adjusted by a small margin, effectively offer working efficiency.
Embodiment 2: on the basis of embodiment 1, sealed outer cylinder 4 is hollow cylindrical structure, passes through above structure reality
Existing internal upper spring 11 protects lower mandrel 9.
Embodiment 3: on the basis of embodiment 1, the quantity of anti-rotation pin 1 and anti-rotation pin 2 19 is 2, institute
The junction that anti-rotation pin 1 is symmetrically distributed in top connection 1 and upper torsion pass set 2 is stated, the anti-rotation pin 2 19 is symmetrically distributed in
The junction of lower torsion pass set 3 and sealed outer cylinder 4 guarantees to work normally in use, effectively improves working efficiency.
Embodiment 4: on the basis of embodiment 1, transposition mandrel 5 is cylindrical structure, and is inside 5 both ends of mandrel of replacing
Hollow structure prevents lower torsion pass set 3 to be subjected to displacement rotation when in use with transposition mandrel 5 by above structure.
Embodiment 5: on the basis of embodiment 1, the quantity of the 5th O-ring 23 is 3, ensure that good airtightness.
Embodiment 6: on the basis of embodiment 1, it is connected with swivelling chute on the surface for the mandrel 5 that replaces, is convenient for 7 He of transposition set
Transposition mandrel 5, which matches, shifts one's position.
Embodiment 7: on the basis of embodiment 1, the both ends of double pin ends 10 are welded with threaded post 28, the threaded post 28
On be connected with external screw thread 29, threaded hole 30 is connected on double female connectors 8, the threaded hole 30 is internally connected with internal screw thread
31, this structure is convenient for double female connectors 8 to be used cooperatively with double pin ends 10.
Embodiment 8: as shown in Figure 1 to Figure 3, this RG rotary guide, including rotary guide ontology, the rotation are led
It include connector, sealing, spring, transposition mandrel 5, spline piston 13 and spline outer cylinder 12 to device ontology, the connector includes above connecing
First 1 and lower contact 15, the sealing includes sealed outer cylinder 4, and the spring includes upper spring 11 and lower spring 16, the transposition core
One end of axis 5 is fixedly connected with top connection 1, and the first O-ring 18 is connected between the transposition mandrel 5 and top connection 1, described to change
The other end of position mandrel 5 is connected with double female connectors 8, is connected with third O-ring between the transposition mandrel 5 and double female connectors 8
21, the right end of double female connectors 8 is connected with lower mandrel 9, is connected with the 4th O-ring between the lower mandrel 9 and double female connectors 8
22, the right end of the lower mandrel 9 is connected with pressure transmission nut 14, and the right end of the pressure transmission nut 14 is contacted with lower spring 16, described
One end of lower spring 16 is contacted with lower contact 15, the right end of the top connection 1 be connected with torsion pass set 2, the top connection 1 with it is upper
Torsion pass set 2 is fixed by anti-rotation pin 1, is connected with lower torsion pass set 3 on the transposition mandrel 5, the lower torsion pass cover 3 with it is close
Outer cylinder 4 to be sealed to be connected, the lower torsion pass, which covers, is connected with anti-rotation pin 2 19 between 3 and sealed outer cylinder 4, and the one of the sealed outer cylinder 4
End is connected with double pin ends 10, and the 5th O-ring 23, double public access are connected between the sealed outer cylinder 4 and double pin ends 10
First 10 one end is connected with spline outer cylinder 12, is connected with the 5th O-ring 23, institute between double pin ends 10 and spline outer cylinder 12
The one end for stating spline outer cylinder 12 is connected with lower contact 15, is connected with the 5th O-ring between the spline outer cylinder 12 and lower contact 15
23, transposition set 7 is connected on the transposition mandrel 5, the transposition mandrel 5 is connected with transposition set 7 by the key 6 that replaces, described to change
It is connected with the second O-ring 20 between position set 7 and sealed outer cylinder 4, one end of the transposition set 7 is connected with spline piston 13, described
It is connected with the 6th O-ring 24 between spline piston 13 and transposition set 7, is connected between the spline piston 13 and lower mandrel 9
Seven O-rings 25, one end of the upper spring 11 are contacted with double female connectors 8, and one end and the spline piston 13 of the upper spring 11 connect
Touching, the sealed outer cylinder 4 are hollow cylindrical structure, and the quantity of the anti-rotation pin 1 and anti-rotation pin 2 19 is 2
A, the anti-rotation pin 1 is symmetrically distributed in the junction of top connection 1 and upper torsion pass set 2, and the anti-rotation pin 2 19 is symmetrical
It is distributed in the junction of lower torsion pass set 3 and sealed outer cylinder 4, the transposition mandrel 5 is cylindrical structure, and 5 both ends of mandrel of replacing
Inside is hollow structure, and the quantity of the 5th O-ring 23 is 3, is connected with swivelling chute on the surface of the transposition mandrel 5,
The both ends of double pin ends 10 are welded with threaded post 28, and external screw thread 29, double female connectors 8 are connected in the threaded post 28
On be connected with threaded hole 30, the threaded hole 30 is internally connected with internal screw thread 31.
Working principle: when using the RG rotary guide, first by lower mandrel 9 by being rotatably installed in double female connectors 8
Threaded hole 30 in, matched and be fixed with internal screw thread 31 by the external screw thread one of lower 9 one end of mandrel, lower mandrel 9 with it is double female
Connector 8 is sealed by the 4th O-ring 22, effectively avoids the entrance of dirt, one end of double female connectors 8 is mounted on transposition core
On axis 5, transposition mandrel 5 is mounted on lower torsion pass set 3 by anti-rotation pin 2 19, and transposition mandrel 5 is installed by the first O-ring 18
In the inside of top connection 1, top connection 1 passes set 2 with upper torsion by anti-rotation pin 1 and is fixed, and sealed outer cylinder 4 passes through double public
Connector 10 is connected with lower contact 15.When using the present apparatus, top connection 1 is mounted on drill bit works first,
Rotary guide ontology is driven to be rotated by drill bit, by the way that one end of rotary guide ontology is contacted with ground,
By squeeze work, when extruding force is spent it is big when, by lower spring 16 be lower mandrel 9 effect of damping is provided, effectively keep away
Exempt to damage internal unit because extrusion speed is too fast, effectively extends the service life of equipment, it is upper inside sealed outer cylinder 4
Spring 11 protects lower mandrel 9, and when needing to commutate, upper lifting pipe post makes drill bit leave rock, and bit pressure is kept to zero, is following
When ring, motor pressure drop can push piston motion to drive tubing string rotation, by wireless magnetic orientation tool by tool towards parameter
It is transferred to ground, after confirming direction, pushes and closes locking direction, start drilling well in the predetermined direction, the angle one after locking
Directly maintained until new angle, when needing to adjust, is matched and shifted one's position by transposition set 7 and transposition mandrel 5, RG rotation
It is easy to use to turn guider, is suitble to promote.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.The well-known components of component and the structure category industry that the present embodiment does not describe in detail and often
With structure or conventional means, do not describe one by one here.
Claims (7)
1. a kind of RG rotary guide, including rotary guide ontology, it is characterised in that: the rotary guide ontology includes connecing
Head, sealing, spring, transposition mandrel (5), spline piston (13) and spline outer cylinder (12), the connector include top connection (1) and under
Connector (15), the sealing includes sealed outer cylinder (4), and the spring includes upper spring (11) and lower spring (16), the transposition
One end of mandrel (5) is fixedly connected top connection (1), and it is O-shaped to be connected with first between the transposition mandrel (5) and top connection (1)
It encloses (18), the other end of transposition mandrel (5) is connected with double female connectors (8), the transposition mandrel (5) and double female connectors (8)
Between be connected with third O-ring (21), the right end of double female connectors (8) is connected with lower mandrel (9), the lower mandrel (9)
The 4th O-ring (22) is connected between double female connectors (8), the right end of the lower mandrel (9) is connected with pressure transmission nut (14), institute
The right end for stating pressure transmission nut (14) is contacted with lower spring (16), and one end of the lower spring (16) is contacted with lower contact (15), institute
The right end for stating top connection (1) is connected with torsion pass set (2), and the top connection (1) and upper torsion pass set (2) pass through anti-rotation pin one
(17) fixed, it is connected with lower torsion pass set (3) on the transposition mandrel (5), the lower torsion pass set (3) is connected with sealed outer cylinder (4),
Be connected with anti-rotation pin two (19) between the lower torsion pass set (3) and sealed outer cylinder (4), one end of the sealed outer cylinder (4) with
Double pin ends (10) are connected, and the 5th O-ring (23) is connected between the sealed outer cylinder (4) and double pin ends (10), described double
One end of pin end (10) is connected with spline outer cylinder (12), and is connected between double pin ends (10) and spline outer cylinder (12)
One end of five O-rings (23), the spline outer cylinder (12) is connected with lower contact (15), the spline outer cylinder (12) and lower contact
(15) it is connected with the 5th O-ring (23) between, is connected with transposition set (7) on the transposition mandrel (5), the transposition mandrel (5)
It is connected with transposition set (7) by transposition key (6), is connected with the second O-ring between the transposition set (7) and sealed outer cylinder (4)
(20), one end of the transposition set (7) is connected with spline piston (13), is connected between the spline piston (13) and transposition set (7)
It is connected to the 6th O-ring (24), the 7th O-ring (25), the upper bullet are connected between the spline piston (13) and lower mandrel (9)
One end of spring (11) is contacted with double female connectors (8), and one end of the upper spring (11) is contacted with spline piston (13).
2. a kind of RG rotary guide according to claim 1, it is characterised in that: the sealed outer cylinder (4) is hollow
Cylindrical structure.
3. a kind of RG rotary guide according to claim 1, it is characterised in that: the anti-rotation pin one (17) and anti-rotation
The quantity of pin two (19) is 2, and the anti-rotation pin one (17) is symmetrically distributed in top connection (1) and upper torsion pass set (2)
Junction, the anti-rotation pin two (19) are symmetrically distributed in the junction of lower torsion pass set (3) and sealed outer cylinder (4).
4. a kind of RG rotary guide according to claim 1, it is characterised in that: the transposition mandrel (5) is cylindrical body
Structure, and be hollow structure inside mandrel (5) both ends of replacing.
5. a kind of RG rotary guide according to claim 1, it is characterised in that: the quantity of the 5th O-ring (23)
It is 3.
6. a kind of RG rotary guide according to claim 1, it is characterised in that: on the surface of transposition mandrel (5)
It is connected with swivelling chute.
7. a kind of RG rotary guide according to claim 1, it is characterised in that: weld at the both ends of double pin ends (10)
It is connected to threaded post (28), is connected with external screw thread (29) on the threaded post (28), be connected with threaded hole on double female connectors (8)
(30), the threaded hole (30) is internally connected with internal screw thread (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822012043.8U CN209653964U (en) | 2018-12-03 | 2018-12-03 | A kind of RG rotary guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822012043.8U CN209653964U (en) | 2018-12-03 | 2018-12-03 | A kind of RG rotary guide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209653964U true CN209653964U (en) | 2019-11-19 |
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ID=68517456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822012043.8U Active CN209653964U (en) | 2018-12-03 | 2018-12-03 | A kind of RG rotary guide |
Country Status (1)
| Country | Link |
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| CN (1) | CN209653964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441350A (en) * | 2018-12-03 | 2019-03-08 | 中国石油集团川庆钻探工程有限公司 | RG rotary guider and using method |
-
2018
- 2018-12-03 CN CN201822012043.8U patent/CN209653964U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441350A (en) * | 2018-12-03 | 2019-03-08 | 中国石油集团川庆钻探工程有限公司 | RG rotary guider and using method |
| CN109441350B (en) * | 2018-12-03 | 2024-03-01 | 中国石油天然气集团有限公司 | RG rotary guide and use method thereof |
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Effective date of registration: 20201105 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Address before: 610056 6 Chenghua District chase street, Chengdu, Sichuan Patentee before: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Patentee before: CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING COMPANY LIMITED CHANGQING DOWNHOLE TECHNOLOGY Co. |