CN209228329U - A kind of oil gas downhole tool rope socket component and rope socket - Google Patents
A kind of oil gas downhole tool rope socket component and rope socket Download PDFInfo
- Publication number
- CN209228329U CN209228329U CN201821803065.XU CN201821803065U CN209228329U CN 209228329 U CN209228329 U CN 209228329U CN 201821803065 U CN201821803065 U CN 201821803065U CN 209228329 U CN209228329 U CN 209228329U
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- CN
- China
- Prior art keywords
- rope socket
- cylinder section
- oil gas
- downhole tool
- fishing head
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Abstract
The utility model relates to tools for downhole of oil field fields, and in particular to a kind of oil gas downhole tool rope socket component and rope socket.A kind of oil gas downhole tool rope socket component includes the rope socket ontology for connecting steel wire ropes, it is the mounting cylinder section of hatch frame that rope socket ontology, which has lower part, the barrel of mounting cylinder section is equipped with the pin mounting hole for installing shear pin, is fixedly connected with the fishing head for connecting tripping in tool in mounting cylinder section by shear pin.The rope socket component of the utility model can directly be broken shear pin by above mentioning steel wire when tool goes into the well chance card, well will be proposed on rope socket ontology, and the fishing head by connecting above tool carries out secondary salvaging, structure is simple, easy to operate, unfreezing success rate is high, and applied widely.
Description
Technical field
The utility model relates to tools for downhole of oil field fields, and in particular to a kind of oil gas downhole tool rope socket component
And rope socket.
Background technique
Mainly carry out hanging tool string using wire rope socket when tripping in tool into oil/gas well at present, is beaten in rope socket inner cavity lower part
A knot, by its G.I.H after rope socket lower suspension tool string.But into well to oil/gas well inner tube when lower tool
Column clean-up performance is more demanding, and since the pull-off force for the test steel wire gone into the well is smaller, occurring in well cannot when meeting card
It adopts an effective measure in time and avoids accident, be only capable of by bullet steel wire or other means unfreezing.As Authorization Notice No. is
The utility model patent of CN204200139U discloses a kind of novel well testing unfreezing rope socket, including rope socket ontology, rope socket ontology
Inner hollow, bottom end are equipped with internal screw thread one, and upper end is equipped with rope bottleneck, passes through rope in rope bottleneck, rope end is connected with
Setting is equipped with the internal screw thread two that internal diameter is less than internal screw thread one, internal screw thread two on the intrinsic weight of rope socket, the top of internal screw thread one
Cooperate with the external screw thread of weight bottom, weight bottom is stupefied convex equipped with screwing up.When meeting card during going into the well, weight is in self gravity
And rope socket bottom is displaced downwardly under the action of steel wire, steel wire is mentioned on hand winch, weight moves up collision rope socket inner cavity top, gives rope socket
It is instantaneous to apply a upward impact force, it then slowly transfers again, above mention steel wire, operation carries out multiple impacts, concussion repeatedly in this way,
It is finally reached the purpose of unfreezing.
Above-mentioned unfreezing rope socket hits unfreezing using the continuous put-on and delegated weight of steel wire, needs frequent reciprocating operation, time-consuming to take
Power, if especially tool string card resistance is in the inclination section of oil/gas well, put-on and delegated steel wire is inconvenient repeatedly, and the works such as steel wire clipper
Tool cannot effectively cut the steel wire at rope socket head again, not be available the fishing tools such as bumper jar, fishing socket, and it is difficult to increase salvaging
Degree.
Utility model content
The purpose of this utility model is to provide a kind of oil gas downhole tool rope socket components, to solve to survey in the prior art
Test instrument, which is gone into the well, meets unfreezing inconvenience, technical problem poor for applicability when blocking.The utility model also provides a kind of oil gas downhole tool
Use rope socket.
To achieve the above object, a kind of technical solution 1 that the utility model oil gas downhole tool rope socket component uses: oil
Gas downhole tool rope socket component, including the rope socket ontology for connecting steel wire ropes, it is opening that the rope socket ontology, which has lower part,
The mounting cylinder section of structure, the barrel of mounting cylinder section are equipped with the pin mounting hole for installing shear pin, lead in mounting cylinder section
It crosses shear pin and is fixedly connected with fishing head for connecting tripping in tool.
The beneficial effects of the utility model are: the rope socket component of the utility model can be when tool goes into the well chance card by above mentioning
Steel wire directly breaks shear pin, well will be proposed on rope socket ontology, and the progress of the fishing head by connecting above tool is secondary
It salvages, structure is simple, and easy to operate, unfreezing success rate is high, and applied widely.
It is improved on the basis of technical solution 1 of oil gas downhole tool rope socket component and obtains technical solution 2: the salvaging
Head is equipped with the recess portion of perforation corresponding with pin mounting hole, and the shear pin is successively worn from outside to inside along the radial direction of mounting cylinder section
Enter the pin mounting hole and recess portion so that the fishing head is connected and fixed on mounting cylinder section.
It is improved on the basis of technical solution 2 of oil gas downhole tool rope socket component and obtains technical solution 3: the shearing
Pin along mounting cylinder section it is circumferentially-spaced be disposed with it is multiple.Guarantee that fishing head is connected firmly with mounting cylinder section.
It is improved on the basis of technical solution 3 of oil gas downhole tool rope socket component and obtains technical solution 4: the shearing
Pin is disposed with multistage along the axially spaced-apart of mounting cylinder section.The number of shear pin in mounting cylinder section can be adjusted according to actual needs
Mesh.
It is improved on the basis of any of the technical solution 1 to 4 of oil gas downhole tool rope socket component and obtains technical side
Case 5: the pressure spring for pressure under being provided to shear pin being equipped in the mounting cylinder section in the top of the fishing head, the pressure
Spring has the upper end pressed with rope socket ontology and presses with fishing head to provide the lower end of lower pressure.Shear pin is avoided to go into the well
In the process because concussion falls off.
It is improved on the basis of technical solution 5 of oil gas downhole tool rope socket component and obtains technical solution 6: the rope socket
Ontology is equipped with the fixation spacer ring for pressing pressure spring upper end.Pressure spring and wire rope socket section are separated using fixed spacer ring, avoids steel
Cord cap section enters in pressure spring.
It is improved on the basis of technical solution 5 of oil gas downhole tool rope socket component and obtains technical solution 7: the pressure spring
Activity is equipped with movable yoke frame between fishing head, and the upside and pressure spring lower end of the activity yoke frame press, downside and salvaging
The upper end pushing tow cooperation of head.Preventing fishing head to be stuck in pressure spring cannot normally be detached from rope socket ontology.
It is improved on the basis of technical solution 7 of oil gas downhole tool rope socket component and obtains technical solution 8: the installation
Cylinder section is equipped with the stopping surface block step directed downwardly for preventing the movable yoke frame uplink.
The technical solution 1 that the utility model oil gas downhole tool rope socket uses: a kind of oil gas downhole tool rope socket, rope
Cap has the connection structure for connecting steel wire ropes, and it is hatch frame for installing the peace of fishing head that the rope socket, which has lower part,
Fitted tube section, mounting cylinder section are equipped with the pin mounting hole for installing shear pin.
It is improved on the basis of technical solution 1 of oil gas downhole tool rope socket and obtains technical solution 2: the pin installation
Hole along mounting cylinder section it is circumferentially-spaced be disposed with it is multiple.
Detailed description of the invention
Fig. 1 is the structural representation of the specific embodiment of oil gas downhole tool rope socket component provided by the utility model
Figure；
Fig. 2 is the structural schematic diagram of rope socket ontology in oil gas downhole tool rope socket component shown in FIG. 1；
Fig. 3 is the structural schematic diagram of fishing head in oil gas downhole tool rope socket component shown in FIG. 1；
Description of symbols: 1- mounting cylinder section, 2- shear pin, 3- fishing head, 11- threaded hole of steel, 12- accommodating chamber, 13- are solid
Determine spacer ring, 14- pressure spring, 15- activity partition, 16- pin mounting hole, 17- block step, 18- disconnecting prevention structure, 31- recess portion.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment of the oil gas downhole tool rope socket component of the utility model, as shown in Figure 1 to Figure 3, a kind of oil
Gas downhole tool rope socket component, including rope socket ontology, it is the mounting cylinder section 1 of hatch frame, peace which, which has lower part,
Fitted tube section 1 is equipped with the pin mounting hole 16 for installing shear pin 2, is connected and fixed in mounting cylinder section 1 by shear pin 2
There is the fishing head 3 for connecting tripping in tool.
As illustrated in fig. 1 and 2, rope socket ontology includes the mounting cylinder section 1 with for installing fishing head, mounting cylinder section 1 it is upper
End face is equipped with the threaded hole of steel 11 for passing through steel wire, and the top of mounting cylinder section 1 has the receiving for accommodating wire rope socket section
Chamber 12, mounting cylinder section 1 is interior to be successively arranged fixed spacer ring 13, pressure spring 14, movable partition in the lower section of accommodating chamber 12 along the vertical direction
15 and fishing head 3, wherein fixed spacer ring 13 is wholely set with rope socket ontology, the middle part annular space of fixed spacer ring 13 is for beating
By the opening of wirerope when cap section, fixed spacer ring 13 is for separating wire rope socket section (not marking in figure) and pressure spring 14 and pressing
The upper end of pressure spring 14.
Activity is assemblied between pressure spring 14 and fishing head 3 movable partition 15 along the vertical direction, and movable partition 15 is in pressure spring 14
Under the action of can downwards pushing tow fishing head 3 to apply lower pressure to shear pin 2 so that shear pin 3 during going into the well not
It can be fallen off because of concussion, movable partition 15 is movable yoke frame, can separate fishing head 3 and pressure spring 14, prevent from salvaging
First 3 are stuck in pressure spring 14 and lead to meet rope socket ontology when blocking and can not normally be detached from and mention, and in movable partition in mounting cylinder section 1
15 top is equipped with stopping surface block step 17 directed downwardly, and block step 17 is for preventing the excessive uplink of movable partition 15.To keep away
Exempt from pressure spring 14 and movable partition 15 in upper lifting rope cap ontology after breaking shear pin 2 to fall off out of cylinder, in mounting cylinder section 1
It is additionally provided with disconnecting prevention structure 18 in the lower section of block step 17, disconnecting prevention structure 18 is small convex for extending internally for being correspondingly provided on barrel
It rises.
It sets there are four pin mounting hole 16 on the barrel of mounting cylinder section 1 in the installation place of fishing head 3 is circumferentially spaced, pin
Mounting hole 16 is with the corresponding perforation of recess portion 31 corresponding on fishing head 3 to make to salvage along the radial inserting shear pin 2 of mounting cylinder section 1
First 3 are connected and fixed with mounting cylinder section 1, wherein shear pin 2 and 16 screwed connection of pin mounting hole, and pin mounting hole 16 is heavy
Hole, so that shear pin 2 is coplanar with 1 outer wall of mounting cylinder section, to guarantee the outer wall of mounting cylinder section 1 without protrusion.Pressure spring 14 is solid
Determine to provide downward pressing force to shear pin 2 by movable partition 15 and fishing head 3 under the press of spacer ring 13, to avoid under
The concussion of shear pin 2 falls off in well operations.
As shown in figure 3, fishing head 3 is in pawl step structure, in order to carry out secondary salvaging.Fishing head 3 is equipped with two-stage
The lower part of pawl step, pawl step is set along the circumferentially-spaced of fishing head 3 there are four recess portion 31, and recess portion 31 is notch, recessed
Portion 31 and pin mounting hole 16 corresponding in mounting cylinder section 1 be corresponding to be penetrated through so that shear pin 2 is radially inserted into, fishing head 3
Lower part is equipped with the interconnecting piece (not marking in figure) for fastening means string.
When using above-mentioned rope socket component tripping in tool, steel wire is first passed through to threaded hole of steel 1 from the top down, knits wire rope socket later
Section, then wire rope socket section is drawn in accommodating chamber 12.In mounting cylinder section 1 along the vertical direction successively install pressure spring 14, activity every
Then piece 15 heads into fishing head 3 and lower tool in mounting cylinder section 1, compress make pin mounting hole 16 in mounting cylinder section 1 with
The corresponding perforation of recess portion 31 on fishing head 3, is radially sequentially inserted into pin mounting hole 16 and recess portion 31 for each shear pin 2 later
It is interior, and rotate and tighten, guarantee the outer wall of mounting cylinder section 1 without protrusion.If meeting card during going into the well, only need to above mention steel wire will be sheared
The cutting of pin 2 is detached from rope socket ontology and fishing head 3, tool of going into the well, and then well will be proposed on rope socket ontology, tripping in later is salvaged
Tool is salvaged.
In the present embodiment, level-one shear pin is installed in mounting cylinder section, it in other embodiments, can also be vertically square
It is multistage to installation, the quantity of shear pin is adjusted according to actual needs.
In the present embodiment, shear pin only passes radially through part fishing head, in other embodiments, can also be radially
Through entire fishing head, i.e. recess portion is through-hole structure.
In the present embodiment, the recess portion by the way that perforation corresponding with the pin mounting hole in mounting cylinder section is arranged on fishing head will
Fishing head is fixedly connected in mounting cylinder section, in other embodiments, can also be arranged on fishing head and be extended outwardly accordingly
Protrusion, utilize the protrusion on the protruding end and fishing head of shear pin to be inwardly engaged by clamping fixed fishing head.
In the present embodiment, shear pin and the screwed connection of pin mounting hole can also use other in other embodiments
Connection type is such as clamped.
It is equipped in the present embodiment, in mounting cylinder section for providing the pressure spring of lower pressure to shear pin, in other embodiments
In, it can also be not provided with.
In the present embodiment, fishing head is equipped with two-stage pawl step, in other embodiments, can also be equipped with three-level or more
Multistage, to increase fishing success ratio.
In the present embodiment, it is equipped with fixed spacer ring in mounting cylinder section and movable partition in other embodiments can not also
Setting.
In the present embodiment, being equipped with disconnecting prevention structure in mounting cylinder section can also be not provided in other embodiments.
The present embodiment also provides a kind of oil gas downhole tool rope socket, the knot of rope socket ontology in structure and above-described embodiment
Structure is identical, and details are not described herein.
Claims (10)
1. a kind of oil gas downhole tool rope socket component, including the rope socket ontology for connecting steel wire ropes, it is characterised in that: described
It is the mounting cylinder section of hatch frame that rope socket ontology, which has lower part, and the barrel of mounting cylinder section is equipped with the pin for installing shear pin
Mounting hole is followed closely, is fixedly connected with the fishing head for connecting tripping in tool in mounting cylinder section by shear pin.
2. oil gas downhole tool rope socket component according to claim 1, it is characterised in that: the fishing head be equipped with
The recess portion of the corresponding perforation of pin mounting hole, the shear pin penetrate the pin mounting hole and recess portion to connect the fishing head
It connects and is fixed on mounting cylinder section.
3. oil gas downhole tool rope socket component according to claim 2, it is characterised in that: the shear pin is along installation
Cylinder section it is circumferentially-spaced be disposed with it is multiple.
4. oil gas downhole tool rope socket component according to claim 3, it is characterised in that: the shear pin is along installation
The axially spaced-apart of cylinder section is disposed with multistage.
5. oil gas downhole tool rope socket component according to any one of claim 1 to 4, it is characterised in that: the peace
The pressure spring for pressure under providing to shear pin being equipped in fitted tube section in the top of the fishing head, which has and rope
The upper end and press with fishing head to provide the lower end of lower pressure that cap ontology presses.
6. oil gas downhole tool rope socket component according to claim 5, it is characterised in that: the rope socket ontology is equipped with
For pressing the fixation spacer ring of pressure spring upper end.
7. oil gas downhole tool rope socket component according to claim 5, it is characterised in that: the pressure spring and fishing head it
Between activity be equipped with movable yoke frame, the upside of the activity yoke frame and pressure spring lower end press, and the upper end of downside and fishing head is pushed up
Push away cooperation.
8. oil gas downhole tool rope socket component according to claim 7, it is characterised in that: the mounting cylinder section is equipped with
For preventing the stopping surface block step directed downwardly of the movable yoke frame uplink.
9. a kind of oil gas downhole tool rope socket, rope socket has the connection structure for connecting steel wire ropes, it is characterised in that: described
It is hatch frame for installing the mounting cylinder section of fishing head that rope socket, which has lower part, and mounting cylinder section is equipped with for installing shear pin
The pin mounting hole of nail.
10. oil gas downhole tool rope socket according to claim 9, it is characterised in that: the pin mounting hole is along installation
Cylinder section it is circumferentially-spaced be disposed with it is multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821803065.XU CN209228329U (en) | 2018-11-02 | 2018-11-02 | A kind of oil gas downhole tool rope socket component and rope socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821803065.XU CN209228329U (en) | 2018-11-02 | 2018-11-02 | A kind of oil gas downhole tool rope socket component and rope socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209228329U true CN209228329U (en) | 2019-08-09 |
Family
ID=67501761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821803065.XU Active CN209228329U (en) | 2018-11-02 | 2018-11-02 | A kind of oil gas downhole tool rope socket component and rope socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209228329U (en) |
-
2018
- 2018-11-02 CN CN201821803065.XU patent/CN209228329U/en active Active
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