CN213478256U - Spring type guide ball head for continuous pipe penetration - Google Patents
Spring type guide ball head for continuous pipe penetration Download PDFInfo
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- CN213478256U CN213478256U CN202022225422.2U CN202022225422U CN213478256U CN 213478256 U CN213478256 U CN 213478256U CN 202022225422 U CN202022225422 U CN 202022225422U CN 213478256 U CN213478256 U CN 213478256U
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- 230000035515 penetration Effects 0.000 title claims description 11
- 230000000149 penetrating effect Effects 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 8
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000004873 anchoring Methods 0.000 description 6
- 230000002265 prevention Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model belongs to oil gas field borehole operation instrument field, in particular to spring direction bulb for poling. A spring type guide ball head for penetrating a continuous pipe comprises a slip centering head and a central rod which are sequentially connected; wherein: the outer side of the lower part of the slip righting head is provided with a conical surface, and a slip is arranged outside the conical surface; a spring and a ball head guide sleeve are sequentially arranged on the lower portion of the central rod from inside to outside, a spring limiting step is arranged on the end face of the lower portion of the central rod, an annular limiting step is arranged in the middle of the interior of the ball head guide sleeve, and the spring is located between the annular limiting step and the spring limiting step; the slip is connected with the ball head guide sleeve in a limiting and sliding manner. The utility model discloses utilize spring and slips complex slip formula internal connection, can realize the high-speed joint and the quick dismantlement of direction head, improve the whole efficiency of construction of coiled tubing operation.
Description
Technical Field
The utility model belongs to oil gas field borehole operation instrument field, in particular to spring direction bulb for poling.
Background
The coiled tubing is used as an economic and effective shaft cleaning tool, is widely applied to operations such as well repair, well drilling, well completion, well logging and the like of oil and gas fields, plays an increasingly important role in exploration and development of the oil and gas fields, and runs through the whole process of oil and gas exploitation. In the traditional continuous tube threading process at present, before tube threading, a guide head is installed and mainly knocked by a hammer, and a small-diameter section of the guide head with a welding seam embedded groove is knocked into a continuous tube; after the pipe is penetrated, the guide head is detached, and the guide head is indirectly shocked by knocking a crow bar inserted into a through hole of the large-diameter section of the guide head until the small-diameter section of the guide head is out of the continuous pipe.
The traditional guide head and the using method have the following three problems: 1. the installation time is long, and the whole operation time is obviously influenced; 2. after repeated use, the small diameter section of the guide head is seriously worn and is easy to fall off after being arranged in a continuous tube again; 3. because the traditional guide head has a simple structure and cannot change the form, even if the continuous tubes with the same outer diameter are arranged, the guide heads with different small-diameter sections also need to be processed due to different inner diameters of the continuous tubes, and the guide head has no universality.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model aims at providing a continuous tube is spring direction bulb for poling changes spring and slips complex slip formula internal connection into through the connection of the percussive with traditional direction head, can realize the high-speed joint and the quick dismantlement of direction head to the engineering time of poling link has been saved by a wide margin, improves the whole efficiency of construction of continuous tube operation.
The technical scheme of the utility model lies in:
a spring type guide ball head for penetrating a continuous pipe comprises a slip centering head and a central rod which are sequentially connected; wherein: the outer side of the lower part of the slip righting head is provided with a conical surface, and a slip is arranged outside the conical surface; a spring and a ball head guide sleeve are sequentially arranged on the lower portion of the central rod from inside to outside, a spring limiting step is arranged on the end face of the lower portion of the central rod, an annular limiting step is arranged in the middle of the interior of the ball head guide sleeve, and the spring is located between the annular limiting step and the spring limiting step; the slip is movably sleeved with the ball head guide sleeve.
A continuous tube positioning shoulder is arranged on the outer side of the middle part of the ball head guide sleeve, and a limiting connecting hole is formed in the upper part of the ball head guide sleeve; the slip lower part is equipped with the slip recess, slip recess lower extreme bulge with spacing connecting hole activity cup joints.
The width of the sliding groove is larger than the distance from the limiting connecting hole to the top end of the upper part of the ball head guide sleeve, and the length of the sliding groove is the same as the width of the limiting connecting hole.
The center of the lower part of the slip centralizing head is provided with a threaded hole, and the upper part of the center rod is fixedly connected with the threaded hole by adopting a screw thread.
The upper part of the slip righting head is provided with a 30-degree chamfer.
And a 30-degree chamfer is arranged at the lower part of the ball head guide sleeve.
The outer diameter of the central rod is the same as the inner diameter of the annular limiting step.
The length of the slip teeth of the slip is the same as that of the conical surface of the slip centralizing head, and the angle of the slip slope angle is the same as that of the conical surface of the slip centralizing head and is 9 degrees.
The technical effects of the utility model reside in that: 1. the utility model utilizes the slip type internal connection of the matching of the spring and the slip to change the knock-on connection of the traditional guide head and realize the quick connection and quick disassembly of the guide head, thereby greatly saving the construction time of the pipe penetrating link and improving the whole construction efficiency of the continuous pipe operation; 2. the utility model adopts the slip type internal connection, so long as the slips are not damaged, the slip can be reused, the risk that the traditional guide head falls off in the continuous pipe after the guide head is repeatedly used and the wear is serious is avoided, and the service life is obviously prolonged; 3. the utility model discloses a form anchoring coiled tubing that the slips was zoomed can use in the coiled tubing of different internal diameters, has overcome traditional direction head and need design alone to different coiled tubing internal diameters, and the commonality is stronger.
The following will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is the utility model relates to a continuous pipe is spring direction bulb schematic structure for poling.
Fig. 2 is the utility model relates to a bulb uide bushing structural sketch of continuous pipe is spring direction bulb for poling.
Fig. 3 is the utility model discloses a slips structure schematic diagram of continuous pipe is spring direction bulb for poling.
Fig. 4 is the utility model relates to a working condition structure schematic diagram of spring direction bulb for continuous tube poling.
Reference numerals: the method comprises the following steps of 1-a ball head guide sleeve, 2-a spring, 3-a center rod, 4-a slip, 5-a slip centralizing head, 6-a coiled tubing positioning shoulder, 7-an annular limiting step, 8-a spring limiting step, 9-a conical surface, 10-a threaded hole, 11-a limiting connecting hole, 12-a sliding groove and 13-a coiled tubing.
Detailed Description
Example 1
In order to overcome the problems that the installation time of the prior continuous pipe guide head is long, the guide head is easy to fall off after being worn and arranged in the continuous pipe, and the universality of the inner diameters of different continuous pipes is poor, the utility model provides a spring type guide ball head for penetrating the continuous pipe as shown in figure 1, which utilizes the slip type internal connection of the matching of a spring and a slip to change the knock type connection of the traditional guide head and can realize the quick connection and quick disassembly of the guide head, thereby greatly saving the construction time of the pipe penetrating link and improving the overall construction efficiency of the continuous pipe operation; because the slip type internal connection is adopted, the slip can be reused as long as the slip is not damaged, the risk that the traditional guide head falls off in the continuous tube after the guide head is repeatedly used and the abrasion is serious is avoided, and the service life is obviously prolonged; because the continuous pipe is anchored in the form of the scaling of the slips, the continuous pipe can be used in continuous pipes with different inner diameters, the defect that the traditional guide head needs to be designed independently aiming at the inner diameters of the different continuous pipes is overcome, and the universality is higher.
As shown in figure 1, the spring type guiding ball head for the pipe penetration of the continuous pipe comprises a slip centralizing head 5 and a central rod 3 which are connected in sequence; wherein:
the outer side of the lower part of the slip righting head 5 is provided with a conical surface 9, and a slip 4 is arranged outside the conical surface 9;
a spring 2 and a ball head guide sleeve 1 are sequentially arranged on the lower portion of the central rod 3 from inside to outside, a spring limiting step 8 is arranged on the end face of the lower portion of the central rod 3, an annular limiting step 7 is arranged in the middle of the inner portion of the ball head guide sleeve 1, and the spring 2 is located between the annular limiting step 7 and the spring limiting step 8;
the slip 4 and the ball head guide sleeve 1 can be movably sleeved.
The utility model discloses when the installation of coiled tubing free end, through extruding well core rod 3, spring 2 contracts, the head is right to the slips 5 goes upward, slips 4 is right first 5 conical surface 9 of withdrawing down for the slips, slips 4 withdraws the back completely, insert the continuous pipe with the direction bulb from the top intraduct, stop extruding well core rod 3, spring 2 stretches out, the head is right to the slips 5 goes downward, slips 4 is right first 5 conical surface 9 of strutting for the slips and goes upward to strut, slips 4 passes through the anchoring of slips tooth on the inner wall of continuous pipe, thereby realize being connected of direction bulb and continuous pipe. Compared with the knock-on connection of the traditional guide head, the slip-type internal connection of the utility model can realize the quick connection and quick disassembly of the guide head, thereby greatly saving the construction time of the pipe threading link and improving the overall construction efficiency of the continuous pipe operation; because the slip type internal connection is adopted, the slip 4 can be reused as long as the slip is not damaged, the risk that the traditional guide head falls off in the continuous pipe after the guide head is repeatedly used and the guide head is seriously worn is avoided, and the service life is obviously prolonged; because the continuous pipe is anchored in the form of scaling by the slips 4, the continuous pipe can be used in continuous pipes with different inner diameters, the defect that the traditional guide head needs to be designed independently aiming at the inner diameters of the different continuous pipes is overcome, and the universality is stronger.
Example 2
As shown in fig. 2 and 3, preferably, on the basis of embodiment 1, in this embodiment, a continuous pipe positioning shoulder 6 is arranged on the outer side of the middle part of the ball head guide sleeve 1, and a limit connection hole 11 is arranged at the upper part of the ball head guide sleeve 1; the lower part of the slip 4 is provided with a sliding groove 12, and the projecting part of the lower end of the sliding groove 12 is movably sleeved with the limiting connecting hole 11. The width of the sliding groove 12 is greater than the distance from the limiting connecting hole 11 to the top end of the upper part of the ball head guide sleeve 1, and the length of the sliding groove 12 is the same as the width of the limiting connecting hole 11.
In practical use, the width of the sliding groove 12 is greater than the distance from the limiting connection hole 11 to the top end of the upper part of the ball head guide sleeve 1, so that the sliding groove 12 at the lower part of the slip 4 is movably sleeved with the limiting connection hole 11 at the upper part of the ball head guide sleeve 1. The length of the sliding groove 12 is the same as the width of the limiting connecting hole 11, so that the limiting connecting hole 11 is used for limiting the slip of the slip 4, when the slip righting head 5 moves up and down, the slip 4 is radially opened and retracted relative to the conical surface 9 along the central rod, and the anchoring release of the coiled tubing are realized.
Preferably, a threaded hole 10 is formed in the center of the lower portion of the slip centralizing head 5, and the upper portion of the central rod 3 is fixedly connected with the threaded hole 10 through a screw thread. The upper part of the slip righting head 5 is provided with a 30-degree chamfer. And a 30-degree chamfer is arranged at the lower part of the ball head guide sleeve 1.
In actual use, the upper part of the slip righting head 5 is provided with a 30-degree chamfer, so that the continuous pipe can be conveniently inserted from the top of the slip righting head 5; the lower part of the ball head guide sleeve 1 is provided with a 30-degree chamfer, so that the fact that the ball head guide sleeve 1 drives the continuous pipe to safely penetrate through the injection head and the blowout prevention box is conveniently realized.
Preferably, the outer diameter of the central rod 3 is the same as the inner diameter of the annular limiting step 7.
In actual use, the outer diameter of the central rod 3 and the inner diameter of the annular limiting step 7 ensure that the central rod 3 drives the slip centering head 5 to move along the center in the compression process of the spring 2, so that the slip 4 is driven to be opened and retracted.
Preferably, the length of the slip teeth of the slip 4 is the same as the length of the conical surface 9 of the slip centralizing head 5, and the angle of the slope angle of the slip 4 is the same as the angle of the conical surface 9 of the slip centralizing head 5, and both angles are 9 degrees.
In actual use, the length of the slip teeth of the slip 4 is the same as that of the conical surface 9 of the slip centralizing head 5, so that the anchoring requirements of the opened slip 4 and the inner surface of the continuous pipe can be met, the angle of the slope angle of the slip 4 is the same as that of the conical surface 9 of the slip centralizing head 5, and the slip 4 is guaranteed to be in a withdrawing state, and the outer surface of the whole guide ball head is smooth.
A spring type guide ball head for penetrating a continuous pipe is shown in figure 4, and the spring type guide ball head is used in the following specific using process:
s1: the coil pipe is assembled with spring direction bulb for poling, specifically includes:
s11, sleeving the slips 4 with the ball head guide sleeve 1; after finishing, the ball head guide sleeve 1 and the slip 4 are sleeved into the slip centralizing head 5 as a whole until the slip 4 is completely attached to the conical surface 9 of the slip centralizing head 5;
s12, inserting the spring 2 from the top of the central rod 3 with the screw thread until reaching the position of the spring limit step 8 at the bottom of the central rod 3; a central rod 3 threaded with a spring 2 passes through a ball head guide sleeve 1 and is in threaded connection with a threaded hole 10 of a slip centralizing head 5; when the central rod 3 passes through the ball head guide sleeve 1, the spring 2 is limited by a spring limiting step 8 at the bottom of the central rod 3 and an annular limiting step 7 in the middle of the ball head guide sleeve 1;
s2: the coil pipe poling is with spring direction bulb and coil pipe anchoring, specifically includes:
s21, when a guide ball head is installed at the free end of the continuous pipe 13, the slip centralizing head 5 moves upwards by extruding the central rod 3 and contracting the spring 2, and the slip 4 moves downwards and retracts relative to the conical surface 9 of the slip centralizing head 5;
s22, after the slip 4 is completely retracted, inserting the guide ball head into the continuous pipe 13 from the top until the free end of the continuous pipe 13 meets a resistance at the continuous pipe positioning shoulder 6 in the middle of the ball head guide sleeve 1, stopping extruding the center rod 3, extending the spring 2, descending the slip centralizing head 5, ascending and expanding the slip 4 relative to the conical surface 9 of the slip centralizing head 5, and under the condition that the conical surface 9 of the slip centralizing head 5 and the inner wall of the continuous pipe 13 are simultaneously extruded, anchoring the slip 4 on the inner wall of the continuous pipe 13 through the barb, so that the connection between the guide ball head and the continuous pipe 13 is realized;
s3, driving a guide ball head to penetrate through the continuous pipe;
in the pipe penetrating process, the continuous pipe 13 descends, the free end of the continuous pipe 13 always props against the continuous pipe positioning shoulder 6 in the middle of the ball head guide sleeve 1, the slip centralizing head 5 and the slip 4 do not have relative displacement, the slip 4 is always in the opening state, the guide ball head cannot be separated from the continuous pipe 13, the continuous pipe 13 can be ensured to be quickly introduced into the injection head clamping block, and then the continuous pipe quickly penetrates through the blowout prevention box below the injection head under the action of the clamping block; in the pipe penetrating process, if the continuous pipe 13 needs to move up and down and the blowout prevention box or the injection head clamping block is not abnormal, the continuous pipe 13 can move up and down under the condition that the load is lifted up or lowered down normally because the outer diameter of the ball head guide sleeve 1 is consistent with that of the continuous pipe 13 and the diameter is not changed, and the blowout prevention box and the injection head clamping block cannot be blocked when passing through the blowout prevention box and the injection head clamping block; in the pipe penetrating process, if the continuous pipe 13 moves up and down and the blowout prevention box or the injection head clamping block is abnormal, the ball head guide sleeve 1 is clamped and hung because of non-centering, but under the condition that the conical surface 9 of the slip centralizing head 5 and the inner wall of the continuous pipe 13 are simultaneously squeezed, the slip 4 and the slip centralizing head 5 cannot generate relative displacement, the slip 4 can be continuously anchored on the inner wall of the continuous pipe 13 through slip teeth, the guide ball head cannot be separated from the continuous pipe 13, and the continuous pipe 13 can move up and down under the condition that the load is lifted up or lowered down normally;
s4: disassembling of spring type guide ball head for continuous pipe penetration
After the coiled tubing 13 passes through the blowout preventer casing lowered by the injector head, the guide ball head is detached from the free end of the coiled tubing 13. During disassembly, the central rod 3 is knocked upwards, the slip centralizing head 5 is knocked upwards indirectly, the slip centralizing head 5 moves upwards in the continuous pipe 13, the slip 4 retracts downwards relative to the conical surface 9 of the slip centralizing head 5, after the slip 4 retracts completely, the guiding ball head is pulled out from the position of the middle continuous pipe positioning shoulder 6, which is contacted with the ball head guide sleeve 1 and blocked, of the free end of the continuous pipe 13 until the continuous pipe 13 is pulled out from the top of the slip centralizing head 5, the guiding ball head is separated from the continuous pipe 13, and disassembly is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (8)
1. The utility model provides a continuous pipe is spring direction bulb for poling which characterized in that: comprises a slip righting head (5) and a central rod (3) which are connected in sequence; wherein:
the outer side of the lower part of the slip righting head (5) is provided with a conical surface (9), and a slip (4) is arranged outside the conical surface (9);
a spring (2) and a ball head guide sleeve (1) are sequentially arranged on the lower portion of the central rod (3) from inside to outside, a spring limiting step (8) is arranged on the end face of the lower portion of the central rod (3), an annular limiting step (7) is arranged in the middle of the inner portion of the ball head guide sleeve (1), and the spring (2) is located between the annular limiting step (7) and the spring limiting step (8);
the slip (4) is movably sleeved with the ball head guide sleeve (1).
2. The spring type guide ball head for the pipe penetration of the continuous pipe according to claim 1, characterized in that: a continuous tube positioning shoulder (6) is arranged on the outer side of the middle part of the ball head guide sleeve (1), and a limiting connecting hole (11) is formed in the upper part of the ball head guide sleeve (1); the slip (4) is characterized in that a sliding groove (12) is formed in the lower portion of the slip (4), and a protruding portion of the lower end of the sliding groove (12) is movably sleeved with the limiting connecting hole (11).
3. The spring type guide ball head for the pipe penetration of the continuous pipe according to claim 2, characterized in that: the width of the sliding groove (12) is larger than the distance from the limiting connecting hole (11) to the top end of the upper part of the ball head guide sleeve (1), and the length of the sliding groove (12) is the same as the width of the limiting connecting hole (11).
4. The spring type guide ball head for the pipe penetration of the continuous pipe according to claim 1, characterized in that: the center of the lower part of the slip centralizing head (5) is provided with a threaded hole (10), and the upper part of the center rod (3) is fixedly connected with the threaded hole (10) by screw threads.
5. The spring type guide ball head for the pipe penetration of the continuous pipe according to claim 1, characterized in that: the upper part of the slip righting head (5) is provided with a 30-degree chamfer.
6. The spring type guide ball head for the pipe penetration of the continuous pipe according to claim 1, characterized in that: the lower part of the ball head guide sleeve (1) is provided with a 30-degree chamfer.
7. The spring type guide ball head for the pipe penetration of the continuous pipe according to claim 1, characterized in that: the outer diameter of the central rod (3) is the same as the inner diameter of the annular limiting step (7).
8. The spring type guide ball head for the pipe penetration of the continuous pipe according to claim 1, characterized in that: the length of the slip teeth of the slip (4) is the same as that of the conical surface (9) of the slip centralizing head (5), and the angle of the slope angle of the slip (4) is the same as that of the conical surface (9) of the slip centralizing head (5) and is 9 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022225422.2U CN213478256U (en) | 2020-10-09 | 2020-10-09 | Spring type guide ball head for continuous pipe penetration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022225422.2U CN213478256U (en) | 2020-10-09 | 2020-10-09 | Spring type guide ball head for continuous pipe penetration |
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| Publication Number | Publication Date |
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| CN213478256U true CN213478256U (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022225422.2U Active CN213478256U (en) | 2020-10-09 | 2020-10-09 | Spring type guide ball head for continuous pipe penetration |
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| CN (1) | CN213478256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127807A (en) * | 2020-10-09 | 2020-12-25 | 中国石油天然气集团有限公司 | Spring type guide ball head for continuous pipe penetration and use method |
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2020
- 2020-10-09 CN CN202022225422.2U patent/CN213478256U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127807A (en) * | 2020-10-09 | 2020-12-25 | 中国石油天然气集团有限公司 | Spring type guide ball head for continuous pipe penetration and use method |
| CN112127807B (en) * | 2020-10-09 | 2024-07-05 | 中国石油天然气集团有限公司 | Spring type guide ball head for continuous pipe penetrating pipe and use method |
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