CN107939306B - A kind of anti-corrosion offset-type ocean threaded drillpipe - Google Patents
A kind of anti-corrosion offset-type ocean threaded drillpipe Download PDFInfo
- Publication number
- CN107939306B CN107939306B CN201711128075.8A CN201711128075A CN107939306B CN 107939306 B CN107939306 B CN 107939306B CN 201711128075 A CN201711128075 A CN 201711128075A CN 107939306 B CN107939306 B CN 107939306B
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- Prior art keywords
- annular
- clamping
- corrosion
- connection
- ring body
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
- E21B17/043—Threaded with locking means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
Abstract
The invention discloses a kind of anti-corrosion offset-type ocean threaded drillpipes, including drilling rod ontology, male connection, female adapter, clamping buffer gear, anti-corrosion housing；The anti-corrosion housing is in ring body structurc；Connection curved surface is equipped on the inside of the anti-corrosion housing；The drilling rod outer body is equipped with curved surface mating surface；The anti-corrosion housing is socketed in drilling rod outer body；The connection curved surface of the anti-corrosion housing and the curved surface mating surface of drilling rod ontology solidify connection；The anti-corrosion housing is made of polytetrafluoroethylene material.The present invention is socketed anti-corrosion housing in drilling rod outer body, so that antiseptic property of the invention obtains the promotion of matter, and is solidified by connection curved surface and curved surface mating surface, so that connection is more firm.
Description
Technical field
The present invention relates to a kind of anti-corrosion offset-type ocean threaded drillpipes.
Background technique
Currently, marine petroleum exploitation generally uses oil drill rocker, oil drill rocker is carried out end-to-end by nipple
Connection, nipple generally comprise male connection and female adapter, male connection and female adapter by screw thread into
The end-to-end connection of row.But oil drill rocker is primarily subjected to the combined loads such as torsion, tension and compression, bending, vibration in drilling well, this
Sample is harsh to the connection request between oil drill rocker, when the oil drill rocker of the prior art carries out exploitation petroleum, oil drill rocker
Often connection can occur at nipple to misplace and fracture built on the sand, since the connection of oil drill rocker is that end-to-end screw thread connects
It connects, is all rigid connection, the leeway not buffered is eliminated once dislocation occurs and bends entire drilling rod, in addition, drilling rod is anti-
Rotten performance is not high, and service life is short.
Summary of the invention
In view of the deficiencies of the prior art mentioned above, problems solved by the invention are as follows: provide that a kind of connection is reliable, buffering is mended
Repay the ocean threaded drillpipe that performance is high, anti-corrosive properties are strong.
To solve the above problems, the technical solution adopted by the present invention is as follows:
A kind of anti-corrosion offset-type ocean threaded drillpipe, including drilling rod ontology, male connection, female adapter, clamp it is slow
Punch mechanism, anti-corrosion housing；The drilling rod ontology both ends are respectively equipped with male connection and female adapter；The external screw thread
Connector is equipped with annular mounting groove；The inside of the annular mounting groove is equipped with external screw thread；The clamping buffer gear includes two
A clamping plate and multiple elastic force connectors；Two clamping plates are fixed on the outside of annular mounting groove by elastic force connector
On wall；Two arc-shaped structures of clamping plate；Two clamping plates are oppositely arranged in annular mounting groove；Described
Female adapter is equipped with the ring body part of ring structure；The inside of the ring body part is equipped with internal screw thread；The ring body part passes through
Internal screw thread is threaded on the external screw thread of annular mounting groove；Two clamping plates compress the outside for being clamped in ring body part；
The anti-corrosion housing is in ring body structurc；Connection curved surface is equipped on the inside of the anti-corrosion housing；The drilling rod outer body is set
There is curved surface mating surface；The anti-corrosion housing is socketed in drilling rod outer body；The connection curved surface and drilling rod of the anti-corrosion housing
The curved surface mating surface of ontology solidifies connection；The anti-corrosion housing is made of polytetrafluoroethylene material.
Further, two clamping plates are distributed on the same annular trace.
Further, annular floating slot there are two being set on the end face of the male connection；In the male connection
Two annular floating slot positions are in the two sides of annular mounting groove；Annular floating there are two being set on the end face of the female adapter
Slot；Two annular floating slot positions in the female adapter are in the two sides of ring body part；The ring of the annular mounting groove two sides
The annular floating groove location correspondence of shape floating trough and ring body part two sides is simultaneously mutually butted；The annular of the annular mounting groove two sides
Floating trough and the annular floating slot of ring body part two sides dock to form annular clamping groove；Annular is connected in the annular clamping groove
Elastic component.
Further, the diameter of section of the ring elastic parts is greater than the diameter of annular clamping groove；The annular installation
There are floating gaps among the annular floating slot of slot two sides and the annular floating slot of ring body part two sides.
Further, the equal semicircular in shape structure of the annular floating slot.
It further, further include two clamping regulating mechanisms；One clamping adjusting machine is installed respectively on the outside of the clamping plate
Structure；The clamping regulating mechanism includes adjusting rod and clamping block；Screw thread is equipped with outside the adjusting rod；The external screw thread
Connector side is equipped with threaded hole；The threaded hole is connected to annular mounting groove；The adjusting rod is by being threadably mounted at screw thread
In hole；The medial end of the adjusting rod, which is equipped with, rotates annular clamping groove；The clamping block is mounted on the outside of clamping plate；
The rotation annular clamping groove rotation of the adjusting rod medial end is connected on clamping block.
Further, the rotation annular clamping groove and clamping block structure in a ring；The rotation annular clamping groove
With the T-shaped structure in longitudinal cross-section of clamping block.
Further, the outside of the adjusting rod is equipped with annular connecting plate；The male connection side is equipped with connection
Cavity；The connection cavity is connected to the threaded hole of male connection side；It is set in the connection cavity there are two above and below
The annular clamping spring of distribution；Annular connecting plate on the outside of the adjusting rod is mounted in connection cavity；The annular connection
The two sides up and down of plate compress annular clamping spring；The annular clamping spring is compressed in annular connecting plate and connection cavity
Between top and bottom sidewall.
Beneficial effects of the present invention
1. the present invention is socketed anti-corrosion housing in drilling rod outer body, so that antiseptic property of the invention obtains the promotion of matter,
And solidified by connection curved surface and curved surface mating surface, so that connection is more firm；The present invention is equipped in male connection
Annular mounting groove is equipped with the ring body part of ring structure in female adapter, is threaded in annular mounting groove by ring body part,
The outside for being clamped in ring body part is compressed by two clamping plates, clamping plate is to be fixed on annular installation by multiple elastic force connectors
On the lateral wall of slot, such setting ring body part can be both clamped it is also possible that ring body part radially obtain it is certain
Elastic telescopic floating compensation buffering avoids rupturing without abrasion caused by buffering for traditional rigid connection.
2. the present invention is all provided on the end face of male connection and female adapter, there are two annular floating slot, two annulars
Floating trough docks clamping groove in a ring, is connected with ring elastic parts in annular clamping groove, is so designed, is made by cleverly structure
The contact surface for obtaining male connection and female adapter realizes " soft connection ", so that male connection and female adapter exist
There can be certain axially and radially floating buffer leeway when by foreign impacts, avoid traditional rigid connection twists off disadvantage
End.
3. the present invention is additionally arranged clamping regulating mechanism, folder can be driven by clamping the rotation of the adjusting rod in regulating mechanism
Tight plate moves inwardly or outward, to control clamping plate to ring body part clamping degree, while passing through adjusting rod side
Annular connecting plate compresses cooperation with annular clamping spring, so that adjusting rod operation is more steady, adjusting is more stable.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the cross-sectional view of male connection of the present invention.
Fig. 3 is the section view enlarged structure schematic diagram of side of the present invention.
Fig. 4 is that the section view of side of the present invention splits enlarged structure schematic diagram.
Fig. 5 is the connection enlarged structure schematic diagram that the present invention clamps regulating mechanism and male connection.
Fig. 6 is the fractionation enlarged structure schematic diagram of the present invention tight regulating mechanism and male connection.
Fig. 7 is the schematic cross-section of anti-corrosion housing of the present invention.
Fig. 8 is the schematic cross-section of drilling rod ontology of the present invention.
Specific embodiment
The content of present invention is described in further detail with reference to the accompanying drawing.
Embodiment 1
As shown in Figures 1 to 4, a kind of anti-corrosion offset-type ocean threaded drillpipe, including it is drilling rod ontology 1, male connection 2, interior
Nipple 3 clamps buffer gear 4, anti-corrosion housing 9.1 both ends of drilling rod ontology are respectively equipped with male connection 2 and interior
Nipple 3.The male connection 2 is equipped with annular mounting groove 21.The inside of the annular mounting groove 21 is equipped with outer spiral shell
Line 23.The clamping buffer gear 4 includes two clamping plates 41 and multiple elastic force connectors 42.Two clamping plates 41
It is fixed on by elastic force connector 42 on the lateral wall of annular mounting groove 21.The arc-shaped structure of two clamping plates 41.Institute
Two clamping plates 41 stated are oppositely arranged in annular mounting groove 21.The female adapter 3 is equipped with the ring body of ring structure
Part 31.The inside of the ring body part 31 is equipped with internal screw thread 32.The ring body part 31 is threaded in ring by internal screw thread 32
On the external screw thread 23 of shape mounting groove 21.Two clamping plates 41 compress the outside for being clamped in ring body part 31.Further preferably,
Two clamping plates 41 are distributed on the same annular trace.As shown in fig. 7, the anti-corrosion housing 9 is in ring body structurc.
Connection curved surface 91 is equipped on the inside of the anti-corrosion housing 9.As shown in figure 8, being equipped with curved surface mating surface on the outside of the drilling rod ontology 1
11.The anti-corrosion housing 9 is socketed in 1 outside of drilling rod ontology.The connection curved surface 91 and drilling rod ontology 1 of the anti-corrosion housing 9
Curved surface mating surface 11 solidify connection.The anti-corrosion housing 9 is made of polytetrafluoroethylene material.
The present invention takes over control rotten housing 9 in 1 outer sheath of drilling rod ontology, so that antiseptic property of the invention obtains the promotion of matter,
And solidified by connection curved surface 91 and curved surface mating surface 11, so that connection is more firm.The present invention is in male connection 2
Equipped with annular mounting groove 21, it is equipped with the ring body part 31 of ring structure in female adapter 3, ring is threaded in by ring body part 31
In shape mounting groove 21, the outside for being clamped in ring body part 31 is compressed by two clamping plates 41, clamping plate 41 is by multiple elastic force
Connector 42 is fixed on the lateral wall of annular mounting groove 21, and such setting can both be clamped ring body part 31 can also be with
So that ring body part 31 is radially obtaining certain elastic telescopic floating compensation buffering, avoid traditional rigid connection without buffering
Caused by wear rupture.
Embodiment 2
As shown in Figures 3 and 4, referring to embodiment 2, difference is to set on the end face of the male connection 2 the present embodiment
There are two annular floating slots 7.Two annular floating slots 7 in the male connection 2 are located at the two sides of annular mounting groove 21.
Annular floating slot 7 there are two being set on the end face of the female adapter 3.Two annulars in the female adapter 3 are floating
Dynamic slot 7 is located at the two sides of ring body part 31.The annular of 31 two sides of annular floating slot 7 and ring body part of 21 two sides of annular mounting groove
7 position of floating trough is corresponding and is mutually butted.31 two sides of annular floating slot 7 and ring body part of 21 two sides of annular mounting groove
The docking of annular floating slot 7 forms annular clamping groove.Ring elastic parts 6 are connected in the annular clamping groove.Further preferably,
The diameter of section of the ring elastic parts 6 is greater than the diameter of annular clamping groove.The annular of 21 two sides of annular mounting groove
There are floating gaps 8 among the annular floating slot 7 of 31 two sides of floating trough and ring body part.Further preferably, the annular floating
The equal semicircular in shape structure of slot 7.
The present invention is all provided with there are two annular floating slot 7 on the end face of male connection 2 and female adapter 3, two rings
Shape floating trough 7 docks clamping groove in a ring, is connected with ring elastic parts 6 in annular clamping groove, is so set by cleverly structure
Meter, so that the contact surface of male connection 2 and female adapter 3 realizes " soft connection ", so that male connection 2 and interior spiral shell
Line connector 3 can have certain axially and radially floating buffer leeway when by foreign impacts, avoid traditional rigid connection
Twist off drawback.
Embodiment 3
As it can be seen in figures 5 and 6, the present embodiment is referring to embodiment 1, difference is to further include two clamping regulating mechanisms 5.Institute
41 outside of clamping plate stated is installed by one clamping regulating mechanism 5 respectively.The clamping regulating mechanism 5 includes adjusting rod 51 and card
Connect block 53.Screw thread 512 is equipped with outside the adjusting rod 51.2 side of male connection is equipped with threaded hole 25.Described
Threaded hole 25 is connected to annular mounting groove 22.The adjusting rod 51 is by being threadably mounted in threaded hole 25.The adjusting rod
51 medial end, which is equipped with, rotates annular clamping groove 511.The clamping block 53 is mounted on the outside of clamping plate 41.The tune
The rotation of rotation annular clamping groove 511 of 51 medial end of pole is connected on clamping block 53.Further limited, described swivel becket
Shape clamping groove 511 and clamping block 53 structure in a ring.The longitudinal cross-section of the rotation annular clamping groove 511 and clamping block 53
T-shaped structure.Pass through the clamping degree of the adjustable clamping plate 41 of adjusting rod 51.Further preferably, for the ease of adjusting rod 51
The outside of stable transition, the adjusting rod 51 is equipped with annular connecting plate 52.The male connection side is equipped with connection
Cavity 22.The connection cavity 22 is connected to the threaded hole 25 of 2 side of male connection.It is equipped in the connection cavity 22
The annular clamping spring 24 of about two distributions.The annular connecting plate 52 in 51 outside of adjusting rod is mounted on connection cavity 22
It is interior.The two sides up and down of the annular connecting plate 52 compress annular clamping spring 24.The 24 elasticity pressure of annular clamping spring
Contracting is between annular connecting plate 52 and connection 22 top and bottom sidewall of cavity.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of anti-corrosion offset-type ocean threaded drillpipe, which is characterized in that connect including drilling rod ontology, male connection, internal screw thread
Head clamps buffer gear, anti-corrosion housing；The drilling rod ontology both ends are respectively equipped with male connection and female adapter；Institute
The male connection stated is equipped with annular mounting groove；The inside of the annular mounting groove is equipped with external screw thread；The clamping buffering
Mechanism includes two clamping plates and multiple elastic force connectors；Two clamping plates are fixed on annular peace by elastic force connector
On the lateral wall of tankage；Two arc-shaped structures of clamping plate；Two clamping plates are opposite in annular mounting groove
Setting；The female adapter is equipped with the ring body part of ring structure；The inside of the ring body part is equipped with internal screw thread；Described
Ring body part is threaded on the external screw thread of annular mounting groove by internal screw thread；Two clamping plates, which compress, is clamped in ring body
The outside of part；The anti-corrosion housing is in ring body structurc；Connection curved surface is equipped on the inside of the anti-corrosion housing；The drilling rod sheet
External side is equipped with curved surface mating surface；The anti-corrosion housing is socketed in drilling rod outer body；The connection of the anti-corrosion housing is bent
The solidification connection of the curved surface mating surface of face and drilling rod ontology；The anti-corrosion housing is made of polytetrafluoroethylene material.
2. anti-corrosion offset-type according to claim 1 ocean threaded drillpipe, which is characterized in that two clamping plates point
Cloth is on the same annular trace.
3. anti-corrosion offset-type according to claim 1 ocean threaded drillpipe, which is characterized in that the end of the male connection
Annular floating slot there are two being set on face；Two annular floating slot positions in the male connection are in the two of annular mounting groove
Side；Annular floating slot there are two being set on the end face of the female adapter；Two annulars in the female adapter are floating
Slot position is moved in the two sides of ring body part；The annular floating slot of the annular mounting groove two sides and the annular floating slot position of ring body part two sides
It sets corresponding and is mutually butted；The annular floating slot of the annular mounting groove two sides and the annular floating slot docking of ring body part two sides
Form annular clamping groove；Ring elastic parts are connected in the annular clamping groove.
4. anti-corrosion offset-type according to claim 3 ocean threaded drillpipe, which is characterized in that the ring elastic parts
Diameter of section is greater than the diameter of annular clamping groove；The annular floating slot of the annular mounting groove two sides and the ring of ring body part two sides
There are floating gaps among shape floating trough.
5. anti-corrosion offset-type according to claim 3 ocean threaded drillpipe, which is characterized in that the annular floating slot is equal
Semicircular in shape structure.
6. anti-corrosion offset-type according to claim 1 ocean threaded drillpipe, which is characterized in that further include that two clampings are adjusted
Mechanism；One clamping regulating mechanism is installed respectively on the outside of the clamping plate；The clamping regulating mechanism include adjusting rod and
Clamping block；Screw thread is equipped with outside the adjusting rod；The male connection side is equipped with threaded hole；The threaded hole connects
Logical annular mounting groove；The adjusting rod is by being threadably mounted in threaded hole；The medial end of the adjusting rod, which is equipped with, to be turned
Rotating ring shape clamping groove；The clamping block is mounted on the outside of clamping plate；The rotation annular snap of the adjusting rod medial end
Access slot rotation is connected on clamping block.
7. anti-corrosion offset-type according to claim 6 ocean threaded drillpipe, which is characterized in that the rotation annular clamping
Slot and clamping block structure in a ring；The T-shaped structure in longitudinal cross-section of the rotation annular clamping groove and clamping block.
8. anti-corrosion offset-type according to claim 6 ocean threaded drillpipe, which is characterized in that the outside of the adjusting rod
Equipped with annular connecting plate；The male connection side is equipped with connection cavity；The connection cavity and male connection side
The threaded hole in portion is connected to；The annular clamping spring being distributed up and down there are two being set in the connection cavity；On the outside of the adjusting rod
Annular connecting plate be mounted on connection cavity in；The two sides up and down of the annular connecting plate compress annular clamping spring；It is described
Annular clamping spring be compressed in annular connecting plate and connection cavity top and bottom sidewall between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711128075.8A CN107939306B (en) | 2017-11-15 | 2017-11-15 | A kind of anti-corrosion offset-type ocean threaded drillpipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711128075.8A CN107939306B (en) | 2017-11-15 | 2017-11-15 | A kind of anti-corrosion offset-type ocean threaded drillpipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107939306A CN107939306A (en) | 2018-04-20 |
| CN107939306B true CN107939306B (en) | 2018-12-28 |
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ID=61932288
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711128075.8A Active CN107939306B (en) | 2017-11-15 | 2017-11-15 | A kind of anti-corrosion offset-type ocean threaded drillpipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN107939306B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236197A (en) * | 2018-11-06 | 2019-01-18 | 江苏和信石油机械有限公司 | A kind of guiding push type ocean threaded drillpipe |
| CN109209253A (en) * | 2018-11-06 | 2019-01-15 | 江苏和信石油机械有限公司 | A kind of sealing compresses formula ocean threaded drillpipe |
| CN109441365A (en) * | 2018-11-06 | 2019-03-08 | 江苏和信石油机械有限公司 | A kind of link formula ocean threaded drillpipe |
| CN109236196A (en) * | 2018-11-06 | 2019-01-18 | 江苏和信石油机械有限公司 | One kind compressing formula ocean threaded drillpipe |
| CN109184587A (en) * | 2018-11-06 | 2019-01-11 | 江苏和信石油机械有限公司 | A kind of slider-actuated formula ocean threaded drillpipe |
| CN109749147A (en) * | 2018-12-30 | 2019-05-14 | 广德天鹏实业有限公司 | A kind of ozone-resistant braided construction hose and its production and processing method |
| CN111271004A (en) * | 2020-03-17 | 2020-06-12 | 江苏和信石油机械有限公司 | High-torsion-resistance full-sealing locking threaded connection structure |
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| RU2009144378A (en) * | 2009-11-30 | 2011-06-10 | Открытое Акционерное Общество "Акционерная Нефтяная Компания" "Башнефть" (Оао "Анк "Башнефть) (Ru) | HYDRAULIC CALIBRATOR-CENTRATOR (KHZ) |
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| US10024143B2 (en) * | 2015-06-11 | 2018-07-17 | Weatherford Technology Holdings, Llc | Jumper tube connection for wellscreen assembly |
| US20170044882A1 (en) * | 2015-08-14 | 2017-02-16 | Plunger Lift Innovations Llc | Plunger Lift Lubricator |
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|---|---|---|---|---|
| RU2009144378A (en) * | 2009-11-30 | 2011-06-10 | Открытое Акционерное Общество "Акционерная Нефтяная Компания" "Башнефть" (Оао "Анк "Башнефть) (Ru) | HYDRAULIC CALIBRATOR-CENTRATOR (KHZ) |
| WO2016133748A1 (en) * | 2015-02-16 | 2016-08-25 | Schlumberger Technology Corporation | Bottom hole assembly connections |
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| Publication number | Publication date |
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| CN107939306A (en) | 2018-04-20 |
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