CN215761584U - One-way hydraulic automatic reciprocating oil well casing shaper - Google Patents
One-way hydraulic automatic reciprocating oil well casing shaper Download PDFInfo
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- CN215761584U CN215761584U CN202122241451.2U CN202122241451U CN215761584U CN 215761584 U CN215761584 U CN 215761584U CN 202122241451 U CN202122241451 U CN 202122241451U CN 215761584 U CN215761584 U CN 215761584U
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Abstract
The oil well casing shaper is automatically reciprocated by one-way hydraulic pressure. Relates to the technical field of oil field drilling tools. The upper part of the body is provided with a hydraulic oil pipe anchor, a central counter bore of the body is communicated with a bypass liquid inlet hole I of the hydraulic oil pipe anchor, and a cylinder sleeve inner hole of the hydraulic oil pipe anchor is provided with a liquid inlet hole II communicated with the bottom of the body; the lower part of the body is connected with a middle connecting pipe, a conical hole of the middle connecting pipe is matched and connected with a cone body, a guide sleeve of the middle connecting pipe, a guide column at the lower part of the cone body is in clearance fit connection with the guide sleeve, a compression spring is arranged between the cone body and the guide sleeve, and the lower part of the guide column is in threaded connection with a pushing head. The utility model has the following beneficial effects: the shaper is anchored by the hydraulic tubing anchor, then the pushing head generates downward pulse vibration under the hydraulic action to push the deformed casing, the anchoring and the pulse vibration are alternately carried out, the shaper is anchored and pulse-pushed in the casing by itself, the anchoring is removed, the shaper moves forwards repeatedly until the casing is shaped, the well dredging efficiency is high, and the effect is good.
Description
The technical field is as follows:
the utility model relates to the technical field of oil field drilling tools, in particular to a one-way hydraulic automatic reciprocating oil well casing shaper.
Background art:
currently, when drifting is performed on an oil well casing, a mechanical drifting mode is generally adopted, for example: adopt wire rope to send into the oil well with weight rod and drifting gauge tool, when the drifting meets the resistance, utilize drifting instrument self gravity, carry out the drifting through the drifting instrument of activity from top to bottom, however, foretell drifting mode, the drifting instrument can't pass through when meeting the resistance seriously, and the drifting meets and hinders frequently high, and the drifting success rate is low.
The utility model has the following contents:
in order to solve the problems, the utility model provides a one-way hydraulic automatic reciprocating oil well casing shaper.
The technical scheme of the utility model is as follows: the one-way hydraulic automatic reciprocating oil well casing shaper comprises a body, wherein a hydraulic oil pipe anchor is arranged at the upper part of the body, a central counter bore is arranged at the lower part of an upper connector at the upper part of the body, a bypass liquid inlet hole I of the central counter bore is communicated with the bottom of a cylinder sleeve of the hydraulic oil pipe anchor, and a liquid inlet hole II is formed in an inner hole of the cylinder sleeve of the hydraulic oil pipe anchor and communicated with the bottom of the body;
the lower part of the body is in threaded sealing connection with the middle connecting pipe, the lower section of a central hole of the middle connecting pipe is a conical hole, the conical hole is in matched connection with a cone, the lower part of the middle connecting pipe is in threaded sealing connection with a guide sleeve, a guide column at the lower part of the cone is in clearance fit connection with the guide sleeve, a compression spring is arranged between the lower end surface of the cone and the guide sleeve, and the lower part of the guide column is in threaded connection with a push head.
The piston of the hydraulic tubing anchor is in clearance fit connection with the cylinder sleeve through two sealing rings, and the liquid inlet hole II is positioned between the two sealing rings.
The upper part of the central hole of the middle connecting pipe is provided with a one-way valve.
The lower part of the guide sleeve is provided with a pressure relief hole.
The utility model has the following beneficial effects: the shaper is anchored by the hydraulic tubing anchor, then the pushing head generates downward pulse vibration under the hydraulic action to push the deformed casing, the anchoring and the pulse vibration are alternately carried out, the shaper is anchored and pulse-pushed in the casing by itself, the anchoring is removed, the shaper moves forwards repeatedly until the casing is shaped, the well dredging efficiency is high, and the effect is good.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
In the figure, 1-a body, 2-a middle connecting pipe, 3-a pushing head, 4-a hydraulic tubing anchor, 5-a cone, 6-a compression spring, 7-a guide sleeve, 8-a liquid inlet hole I, 9-a liquid inlet hole II, 10-an upper joint, 11-a central counter bore, 12-a one-way valve, 13-a conical hole, 14-a pressure relief hole and 15-a guide column.
The specific implementation mode is as follows:
the utility model will be further described with reference to the accompanying drawings in which:
as shown in fig. 1, the one-way hydraulic automatic reciprocating shaper for oil well casings comprises a body 1, wherein a hydraulic tubing anchor 4 is arranged at the upper part of the body 1, a central counter bore 11 is arranged at the lower part of an upper connector 10 at the upper part of the body 1, the central counter bore 11 is communicated with the bottom of a cylinder sleeve of the hydraulic tubing anchor 4 by a liquid inlet hole I8, and a liquid inlet hole II9 is formed in an inner hole of the cylinder sleeve of the hydraulic tubing anchor 4 and communicated with the bottom of the body 1;
the lower part of the body 1 is in threaded sealing connection with the middle connecting pipe 2, the lower section of a central hole of the middle connecting pipe 2 is a conical hole 13, the conical hole 13 is in matched connection with the cone 5, the lower part of the middle connecting pipe 2 is in threaded sealing connection with the guide sleeve 7, the guide column 15 at the lower part of the cone 5 is in clearance fit connection with the guide sleeve 7 and used for guiding, a compression spring 6 is arranged between the lower end face of the cone 5 and the guide sleeve 15, and the lower part of the guide column 15 is in threaded connection with the pushing head 3.
The piston of the hydraulic tubing anchor 4 is in clearance fit connection with the cylinder sleeve through two sealing rings, and the liquid inlet hole II9 is positioned between the two sealing rings.
The upper part of the central hole of the middle connecting pipe 2 is provided with a one-way valve 12, liquid at the lower part can not flow back, and the external liquid is prevented from entering the interior of the hydraulic tubing anchor 4 to cause sand blocking.
The lower part of the guide sleeve 7 is provided with a pressure relief hole 14.
When the single-way hydraulic automatic reciprocating oil well casing shaper (hereinafter, shaper) is connected to the lower part of a pipe column to a deformed casing position, the pipe column is pressurized, liquid pressure firstly enters a liquid inlet hole I8 to open a hydraulic oil pipe anchor 4, the shaper is anchored in the casing to provide support for a pushing head, the pipe column is continuously pressurized, a sealing ring on a piston of the hydraulic oil pipe anchor 4 is moved away from a liquid inlet hole II9, the liquid pressure enters a central hole of an intermediate connecting pipe 2 through a liquid inlet hole II9 to push a cone 5 to drive the pushing head 3 to move downwards, after the cone 5 leaves the cone 13, pressure liquid is discharged from a pressure relief hole 14, the cone 5 retracts under the action of a compression spring 6 and is attached to the cone 13 again, the liquid pressure above the cone 5 rises again, the pushing head 3 generates downward pulse vibration due to the downward direction, after the pushing head 3 enters the deformed casing to be clamped, the pushing head 3 does not retract, the cone 5 and the conical hole 13 are continuously separated, the injection pressure is obviously reduced, at the moment, the pressure in the pipe column stops rising, the piston of the hydraulic oil pipe anchor 4 is withdrawn to release the anchoring with the casing pipe, the body 1, the middle connecting pipe 2 and the guide sleeve 7 move downwards under the action of the compression spring 6 to rise the pressure again, and the push head 5 continuously vibrates in a pulse mode until the deformed casing pipe is shaped.
The shaper is anchored by the hydraulic tubing anchor, then the pushing head generates downward pulse vibration under the hydraulic action to push the deformed casing, the anchoring and the pulse vibration are alternately carried out, the shaper is anchored and pulse-pushed in the casing by itself, the anchoring is removed, the shaper moves forwards repeatedly until the casing is shaped, the well dredging efficiency is high, and the effect is good.
Claims (4)
1. The utility model provides an automatic reciprocal oil well casing reshaper of one-way hydraulic pressure, includes body (1), its characterized in that: the upper part of the body (1) is provided with a hydraulic oil pipe anchor (4), the lower part of an upper joint (10) at the upper part of the body (1) is provided with a central counter bore (11), a bypass liquid inlet hole I (8) of the central counter bore (11) is communicated with the bottom of a cylinder sleeve of the hydraulic oil pipe anchor (4), and a liquid inlet hole II (9) is formed in an inner hole of the cylinder sleeve of the hydraulic oil pipe anchor (4) and communicated with the bottom of the body (1);
body (1) lower part screw thread sealing connects middle takeover (2), the centre bore hypomere of middle takeover (2) is conical bore (13), centrum (5) are connected in the cooperation of conical bore (13), middle takeover (2) lower part screw thread sealing connects uide bushing (7), guide post (15) and uide bushing (7) clearance fit connection of centrum (5) lower part, be equipped with compression spring (6) between lower terminal surface and uide bushing (7) of centrum (5), guide post (15) lower part threaded connection pushes away head (3).
2. The swager of claim 1, wherein: the piston of the hydraulic tubing anchor (4) is in clearance fit connection with the cylinder sleeve through two sealing rings, and the liquid inlet hole II (9) is positioned between the two sealing rings.
3. The swager of claim 1, wherein: the upper part of the central hole of the middle connecting pipe (2) is provided with a one-way valve (12).
4. The swager of claim 1, wherein: the lower part of the guide sleeve (7) is provided with a pressure relief hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122241451.2U CN215761584U (en) | 2021-09-15 | 2021-09-15 | One-way hydraulic automatic reciprocating oil well casing shaper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122241451.2U CN215761584U (en) | 2021-09-15 | 2021-09-15 | One-way hydraulic automatic reciprocating oil well casing shaper |
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| Publication Number | Publication Date |
|---|---|
| CN215761584U true CN215761584U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122241451.2U Active CN215761584U (en) | 2021-09-15 | 2021-09-15 | One-way hydraulic automatic reciprocating oil well casing shaper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116624117A (en) * | 2023-07-19 | 2023-08-22 | 西南石油大学 | Self-control radial circulation type oil-gas well casing shaping tool and method |
-
2021
- 2021-09-15 CN CN202122241451.2U patent/CN215761584U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116624117A (en) * | 2023-07-19 | 2023-08-22 | 西南石油大学 | Self-control radial circulation type oil-gas well casing shaping tool and method |
| CN116624117B (en) * | 2023-07-19 | 2023-09-26 | 西南石油大学 | Self-control radial circulation type oil-gas well casing shaping tool and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220708 Address after: 163000 Beichen 1-7-6-102, Sartu District, Daqing City, Heilongjiang Province Patentee after: Daqing beikun Technology Development Co.,Ltd. Address before: 163000 No. 19 Changxin Street, Jeanhu Road Economic and Technological Development Zone, Daqing City, Heilongjiang Province Patentee before: Daqing Dannuo Petroleum Technology Development Co.,Ltd. |
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| TR01 | Transfer of patent right |