CN212428650U - Well control logging cable hanger and tool assembly thereof - Google Patents
Well control logging cable hanger and tool assembly thereof Download PDFInfo
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- CN212428650U CN212428650U CN202022059851.7U CN202022059851U CN212428650U CN 212428650 U CN212428650 U CN 212428650U CN 202022059851 U CN202022059851 U CN 202022059851U CN 212428650 U CN212428650 U CN 212428650U
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Abstract
A well control logging cable hanger and its tool assembly, including the well head chuck, hang the body, slip and slip press the cover to run aside, its matched extracting tool assembly is made up of knockout pin and pressure cap, further, the well control logging cable hanger also includes the double female joint, elastic thread ring and slip stop ring to run aside, the well control logging cable hanger with quick coupling mechanism of the drilling tool utilizes the well control logging cable hanger to hang the logging cable, introduce the double female joint and its axial clamping structure with hanging the body, has realized the direct hanging of the well head of the logging cable and fast clamping between oil well drilling rod and hanging the body, can save the tedious time of pulling out the logging instrument, can also improve the connection speed of the oil well drilling rod and hanging the body, has shortened the well head processing time of the emergency situation in the logging process effectively, improve the corresponding speed of risk and risk processing ability in the logging process, the potential risk and the possible economic loss caused by the potential risk are reduced, and more reliable guarantee is provided for the oil field safety production.
Description
Technical Field
The utility model relates to a cable hanger and instrument subassembly thereof, in particular to well control logging cable hanger and instrument subassembly thereof.
Background
In the oil field well drilling production, all uncased new open hole wells usually need to be subjected to well logging operation, various information in a reservoir or a production layer is measured along a shaft, and relevant data is provided for each stage of exploration and development of an oil and gas reservoir. However, because there is no pipe column such as drilling tool under the open hole well, the annular space around the logging cable is very large, when there is accident such as well kick or overflow of dangerous gas, the BOP blowout system arranged at the well head can not start, and because the logging cable is arranged in the well bore, the crown block is hung on the hook of the derrick traveling block, the space occupation of the inner part of the well bore and the upper part of the well head can not be implemented, so that the drilling and sealing measures of drilling the drill pipe and the drilling tool and the filling and heavy mud well killing measures can not be implemented, the existing production can only adopt the fast pulling out of the logging instrument, fast take over the pipe column to lower the well, then implement the measures such as circulation, well killing or well head closing, obviously, the processing measure has high intensity, long time consumption, can not meet the requirements of fast response and fast processing of the risk accident, has great accident risk and potential safety hazard, and avoids the risk, the risk accident disposal device matched with the open hole well and the logging facility thereof needs to be researched and developed, so that the accident situations such as possible well kick, dangerous gas overflow and the like can be quickly, efficiently, safely and reliably disposed, and the safety production of the oil field is guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a logging cable hanger and extracting tool subassembly thereof for well head safety control, supporting with bore hole and logging facility, provide fast efficient safety guarantee for oil field production.
A well-controlled wireline hanger, comprising: the well head chuck, hang the main part, run from opposite directions slips and slips pressure sleeve, the well head chuck is the dull and stereotyped body, can cover the oil well head with the supporting whole of oil well head square tile, has seted up the circular port in the quotation, has still seted up chuck cable lead-in groove simultaneously, hang the upper end of main part and seted up the internal thread, the lower part has the reducing region and forms the reducing circular bead, and inside has the toper cavity, has seted up on the lateral wall and has link up the axial, communicate the main part cable lead-in groove of toper cavity, the diameter in reducing region forms mutually supporting with the circular port of seting up in the well head chuck quotation, make the reducing circular bead can support on the quotation of well head chuck, run from opposite directions slips comprises two symmetrical lamella bodies, two the lamella body combination forms a complete cone, the tapering and the size of cone and the interior toper cavity of seting up of, the slips press sleeve is installed in a threaded connection mode, the upper end of the conical cavity in the hanging body can be rotated to abut against the split slips, and the split slips are enabled to be attached to the valve body more tightly.
In order to prevent the two valve bodies forming the split slip from being relatively dislocated and reduce the clamping effect of the split slip on the logging cable, a connecting positioning pin is preferably arranged between the two valve bodies forming the split slip, and the two valve bodies are relatively limited in the axial direction.
Preferably, the butt joint surfaces of the two petal bodies are correspondingly provided with a logging cable embedding arc groove, so that the two petal bodies form a circular logging cable embedding circular hole after being combined, and the clamping capacity of the logging cable is improved.
The well control logging cable hanger further comprises: and meanwhile, a second moving rod mounting hole for mounting the second moving rod is formed in the outer side surface of the hanging main body, and the hanging main body can be conveniently moved and carried by using the second moving rod.
The well control logging cable hanger further comprises: the double-female joint comprises a double-female joint, an elastic threaded ring and a split retaining ring, wherein the upper end and the lower end of the double-female joint are respectively provided with an internal thread, the side wall of the double-female joint is provided with a well fluid circulation channel communicated with the inside and the outside, the upper end of the double-female joint is used for being connected with an oil field drill rod, the lower end of the double-female joint is in threaded connection with the split retaining ring, the upper end of the hanging main body is also provided with an external thread, the elastic threaded ring is integrally an annular cylinder body, the side wall of the elastic threaded ring is uniformly distributed with a ring body cable guide groove and a plurality of elastic grooves which are axially communicated, the lower end of the elastic threaded ring is provided with an internal thread, the upper end of the elastic threaded ring is provided with an outward protruding clamping ring, the elastic threaded ring is in threaded connection with the upper end of the hanging main body, a certain elastic deformation, can be matched to form an elastic clamping matching structure along the axial direction.
In order to ensure the disassembly manufacturability of the well control logging cable hanger, preferably, a fastening screw hole is formed in the elastic threaded ring, the fastening screw hole is matched with a fastening screw to fasten the elastic threaded ring in threaded connection with the hanging main body on the hanging main body, and the elastic threaded ring is limited to rotate relative to the hanging main body in a working state.
The well control logging cable hanger further comprises: the first moving rod is arranged, meanwhile, a first moving rod mounting hole used for mounting the first moving rod is formed in the outer side face of the double female joint, and the double female joint can be conveniently moved and carried by the aid of the first moving rod.
A well control logging cable hanger tool assembly is used for disassembling split slips and comprises a push rod and a top cap, wherein the push rod and the top cap are of a cylindrical structure integrally, a push rod cable leading-in groove and a top cap cable leading-in groove are formed in the side wall of the push rod and the side wall of the top cap respectively, and external threads are arranged on the top cap.
Simultaneously, with run from opposite directions slips extracting tool subassembly cooperatees, a well control logging cable hanger is preferred hang the toper cavity lower part of main part and set up the cylinder inner chamber of certain length, and the internal thread is seted up to the lower extreme end, when dismantling run from opposite directions slips, can with the ejector pin is arranged in the cylinder inner chamber, and will press cap threaded connection to install hang the lower extreme of main part, through the precession of pressing the cap, support the ejector pin and go upward, can with run from the toper inner chamber upper end separation of hanging the main part is released.
The utility model has the advantages of providing a well control logging cable hanger, can in time reliably directly hang the control of logging cable at the well head of oil well when meeting accident conditions such as kick or dangerous gas leakage suddenly in the logging process, prepare for the shut-in operation, further introduce the axial joint structure between double female joint and the main body of hanging, can realize the quick connection of well control logging cable hanger and oil well drilling rod in the mode of joint, can save the lengthy time of logging instrument in the prior art, can also improve the connection efficiency of oil well drilling rod and well control logging cable hanger, effectively shorten the well head processing time under sudden and urgent situations in the logging process, strive for very valuable time for the downhole shut-in operation, improve the risk response speed and the risk processing ability, reduce the risk hidden danger that may exist and the economic loss that may cause, more reliable guarantee is provided for the oil field safety production.
Drawings
FIG. 1 is an exploded view of a wireline hanger with a quick connection for a drilling tool.
FIG. 2 is a schematic diagram of a well control logging cable hanger assembly with a drilling tool quick connect mechanism.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
Fig. 4 is a sectional view taken along line B-B of fig. 2.
FIG. 5 is a top view of the wellhead chuck.
Fig. 6 is a front view of the elastic threaded ring.
FIG. 7 is a cross-sectional view of the stem lifter.
Fig. 8 is a schematic view of a press cap structure.
Detailed Description
The claimed technical solution of the present invention is further described below with reference to the preferred embodiments and the accompanying drawings.
A well control logging cable hanger with a drilling tool quick connection mechanism is shown in figures 1 and 2 and comprises a wellhead chuck 1, a hanging body 2, split slips 3, a slip pressing sleeve 4, a double female joint 5, an elastic threaded ring 6 and a split retaining ring 7.
The wellhead chuck 1 is a square flat plate body, as shown in fig. 5, a circular hole 11a and a chuck cable lead-in groove 11b are arranged on the disk surface, a carrying handle 19 is also arranged, the lower part of the suspension main body 2 is provided with a radial shrinkage area and forms a radial shrinkage shoulder 12, a conical cavity is arranged in the suspension main body, a cylindrical inner cavity with a certain length is arranged at the lower part of the conical cavity, an internal thread is arranged at the lower end head, a main cable lead-in groove 13 which penetrates through the axial direction and is communicated with the conical cavity is further arranged on the side wall, the diameter of the radial shrinkage area is matched with the circular hole arranged on the disk surface of the wellhead chuck, the split slip 3 is composed of two symmetrical flaps which are combined to form a complete cone, 2 connecting positioning pins 14 are symmetrically arranged between the two flaps, and the slip pressing sleeve 4 is installed at the upper end part of the conical cavity in the suspension main, can revolve and advance to support and press run from opposite directions slips 3, 5 upper ends of two box joints are provided with the internal thread of connecting the oil field drilling rod, and lower extreme threaded connection installs run from opposite directions check ring 7, and evenly distributed has seted up 4 well liquid circulation passageways 20 on the lateral wall, elasticity threaded ring 6 is whole to be annular barrel, as shown in figure 6, evenly distributed has seted up the ring body cable lead-in groove 9 and the elastic groove 15 that the axial is link up on the lateral wall, and the upper end is provided with evagination rand 16, has seted up fastening screw 8a on the ring body and corresponds complex fastening screw 8b hang the lateral surface of main part 2 with reserve between the medial surface of elasticity threaded ring 6 has certain elastic deformation space 10, run from opposite directions check ring 7 with elasticity threaded ring 6 can cooperate and constitute along axial elasticity joint cooperation structure.
Meanwhile, as shown in fig. 1 and 2, 2 detachable first and second lever 17a and 18a are symmetrically disposed on the double female joint 5 and the suspension body 2, respectively, and first and second lever mounting holes 17b and 18b are correspondingly formed in the side walls of the double female joint 5 and the suspension body 2 to be correspondingly matched with the first and second lever 17a and 18 a.
To assist in the disassembly of the slip 3, as shown in fig. 7 and 8, a ram 20 and a ram cap 21 are also provided.
In the process of open hole logging operation, when meeting the unexpected conditions of well kick or dangerous gas overflow and the like, the operation steps of using the well control logging cable hanger with the drilling tool quick connecting mechanism to quickly hang the cable and connect the drill rod are as follows:
step 1, a logging cable is guided into a circular hole 11a formed in a disc surface through a chuck cable guide groove 11b formed in a wellhead chuck 1, the wellhead chuck 1 is placed on an oil well wellhead square tile, and the oil well wellhead is covered integrally;
and 5, lifting the oil well drill rod until the suspension body 2 is separated from the wellhead chuck 1, quickly removing the wellhead chuck 1, then sending the oil well drill rod downwards into an oil well, and injecting circulating mud through the oil well drill rod to carry out well killing treatment.
After completing the downhole shut-in operation, lifting an oil well drill rod, lifting the logging instrument and the well control logging cable hanger to the ground, moving the split retaining ring 7 to rotate relative to the double female joint 5 by using a special tool, loosening the threaded connection between the split retaining ring 7 and the double female joint 5, taking off two split retaining rings 7, rotationally unloading the slip pressure sleeve 4 at the upper end of the suspension body 2, ejecting the split slips 3 from the suspension body 2 at the lower end of the suspension body 2 by using a split slip disassembling tool assembly, separating the logging instrument from the well control logging cable hanger, transporting the suspension body 2 away from the oil well mouth by using the second moving rod 18a again, simultaneously detaching the double female joint 5 from the oil well drill rod, transporting the double female joint 5 away from the oil well mouth by using the first moving rod 17a, finally, a drilling tool can be connected to the well drill rod for the necessary drilling operation.
Claims (9)
1. A well-controlled logging cable hanger, comprising: well head chuck (1), hang main part (2), run from opposite directions slips (3) and slips pressure sleeve (4), well head chuck (1) is the dull and stereotyped body, has seted up circular port (11 a) in the quotation, has still seted up chuck cable lead-in groove (11 b) simultaneously, the upper end of hanging main part (2) is seted up there is the internal thread, and the lower part has the reducing region and forms reducing circular bead (12), and inside has the taper cavity, sets up on the lateral wall and link up the axial, intercommunication the main part cable lead-in groove (13) of taper cavity, the diameter in reducing region and the circular port (11 a) of seting up in well head chuck (1) quotation form mutually supporting, make reducing circular bead (12) can support in the quotation of well head chuck (1), run from opposite directions slips (3) constitute by two symmetry lamella bodies, two the combination of lamella body forms a complete cone, the tapering and the size of cone and hang main part (2) inside seting up the toper cavity form and correspond the cooperation, slips pressure sleeve (4) threaded connection is installed hang the upper end of the inside toper cavity of main part (2), can advance to support and press to run from opposite directions slips (3).
2. The well-controlled logging cable hanger defined in claim 1, wherein: and a connecting positioning pin (14) is arranged between the two valve bodies forming the split slip (3).
3. The well-controlled logging cable hanger defined in claim 2, wherein: the butt joint surfaces of the two petals are correspondingly provided with well logging cable embedding arc grooves, so that the two petals form a circular well logging cable embedding round hole after being combined.
4. The well-controlled wireline hanger defined in claim 3, further comprising: and a second lever (18 a), and a second lever mounting hole (18 b) for mounting the second lever (18 a) is formed in the outer side surface of the suspension body (2).
5. A well-controlled wireline hanger as in any of claims 1-4, further comprising: the double-female joint comprises a double-female joint (5), an elastic threaded ring (6) and split retaining rings (7), wherein internal threads are respectively arranged at the upper end and the lower end of the double-female joint (5), a well fluid circulating channel (20) for communicating the inside and the outside is arranged on the side wall, the split retaining rings (7) are arranged at the lower end in a threaded connection manner, external threads are further arranged at the upper end of a hanging main body (2), the elastic threaded ring (6) is integrally an annular cylinder body, a ring body cable guide groove (9) and an elastic groove (15) which are axially communicated are uniformly distributed on the side wall, internal threads are arranged at the lower end of the elastic threaded ring, an outer convex clamping ring (16) is arranged at the upper end of the hanging main body (2) in a threaded connection manner, a certain elastic deformation space (10) is reserved between the outer side face of the hanging main body (2) and the inner, wherein, run from opposite directions stop ring (7) with elasticity screw ring (6) structure corresponds each other, can cooperate to form along axial elasticity joint cooperation structure.
6. The well-controlled logging cable hanger defined in claim 5, wherein: the elastic threaded ring (6) is further provided with a fastening screw hole (8 b), and the fastening screw hole (8 b) is matched with a fastening screw (8 a) to fasten the elastic threaded ring (6) which is in threaded connection with the suspension main body (2) on the suspension main body (2).
7. The well-controlled wireline hanger defined in claim 6, further comprising: the outer side surface of the double female joint (5) is also provided with a first lever mounting hole (17 b) for mounting the first lever (17 a).
8. The well-controlled logging cable hanger defined in claim 7, wherein: the lower part of the conical cavity of the suspension main body (2) is provided with a cylindrical inner cavity with a certain length, and the end head of the lower end is provided with an internal thread.
9. A well logging cable hanger tool assembly configured with the well logging cable hanger of claim 8, wherein: the cable guide device is characterized by comprising a push rod and a top cap, wherein the push rod and the top cap are integrally of cylindrical structures, a push rod cable guide groove and a top cap cable guide groove are respectively formed in the side walls of the push rod and the top cap, and external threads are arranged on the top cap.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021897425 | 2020-09-03 | ||
| CN2020218974254 | 2020-09-03 |
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| Publication Number | Publication Date |
|---|---|
| CN212428650U true CN212428650U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022059851.7U Active CN212428650U (en) | 2020-09-03 | 2020-09-19 | Well control logging cable hanger and tool assembly thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863885A (en) * | 2021-11-18 | 2021-12-31 | 京鸿石油钻采工程技术有限公司 | Hanger, casing head and wellhead assembly |
-
2020
- 2020-09-19 CN CN202022059851.7U patent/CN212428650U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863885A (en) * | 2021-11-18 | 2021-12-31 | 京鸿石油钻采工程技术有限公司 | Hanger, casing head and wellhead assembly |
| CN113863885B (en) * | 2021-11-18 | 2023-06-16 | 京鸿石油钻采工程技术有限公司 | Hanger, casing head and wellhead device |
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