CN210714572U - Measurable oil well casing head device - Google Patents
Measurable oil well casing head device Download PDFInfo
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- CN210714572U CN210714572U CN202020709667.XU CN202020709667U CN210714572U CN 210714572 U CN210714572 U CN 210714572U CN 202020709667 U CN202020709667 U CN 202020709667U CN 210714572 U CN210714572 U CN 210714572U
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Abstract
The utility model discloses a measurable oil well casing head device relates to oil field apparatus technical field. This casing head casing internally mounted has the hanger, and the jackscrew passes the inner wall and the hanger laminating of annular boss, and the upper end of hanger casing is equipped with the test hole for stifled nail of installation, second end cap and cable locking device, casing head casing left and right sides bypass set up first end cap respectively, and first casing nipple joint passes through the screw thread to be connected with the hanger casing inboard, and second casing nipple joint passes through the screw thread to be connected with casing head casing inboard, the utility model discloses, under the condition of not dismantling the casing head, accessible cable locking device direct test well internal parameter, convenient operation and maintenance situation are few, reduce the maintenance cost, have improved production efficiency greatly.
Description
Technical Field
The utility model relates to an oil field apparatus technical field, in particular to measurable oil well casing head device.
Background
During drilling operations and oil and gas testing, a safe and reliable wellhead must be installed to effectively control operations and production in the well. The casing head belongs to the basic part of the wellhead device, is an important connecting piece between the casing and the wellhead device, is used for fixing the wellhead of a well, connecting a wellhead casing string, and is used for supporting the gravity of a technical casing and an oil layer casing to seal the annular space between layers of pipes.
In the development and production management processes of an oil well, parameters such as temperature and pressure in the well need to be monitored in real time, however, when an electronic probe or a sensor is used, a casing head needs to be detached, and then the electronic probe or the sensor is inserted into the well for detection, so that the operation is complex, a large amount of time and labor are wasted, the efficiency is low, and the device is easy to damage.
SUMMERY OF THE UTILITY MODEL
The utility model provides a measurable oil well casing head device has solved when detecting well internal parameter, dismantles the problem of casing head, and convenient operation and maintenance situation are few.
The specific technical scheme is that a measurable oil well casing head device includes: an annular boss, a hanger, a jackscrew, a first plug, a first casing pipe short section, a second casing pipe short section, a casing head shell, a cable locking device, a second plug and a plug nail,
the center of the casing head casing is provided with a vertical hole extending along the axial direction of the casing, an annular boss is formed by protruding the upper part of the casing head casing, a hanger is tightly arranged in the center of the casing head casing, a jackscrew passes through the inner wall of the annular boss to be attached to a side wall tightener of the casing of the hanger, first plugs are respectively arranged on the bypasses at the left side and the right side of the casing head casing, a first casing pipe nipple is connected with the inner side of the casing of the hanger through a thread, a second casing pipe nipple is connected with the inner side of the casing head casing through a,
the hanger includes: a sealing gasket, a hanger shell and a test hole,
the upper end of the hanger shell is provided with a test hole for installing a blocking nail and a cable locking device, the lower end of the test hole is of a conical structure for installing a second plug, sealing gaskets are arranged on the outer wall of the hanger shell and the inner wall of the casing head shell to achieve the effect of fastening and sealing,
the cable locking device includes: a fastening cap, a fastening head and an opening,
the fastening cap is in a hollow cylindrical structure, the inner wall of the fastening cap is provided with threads,
the fastening head is hollow inside, the height of the fastening head is 5 cm-10 cm greater than that of the fastening cap, the outer wall of the fastening head is provided with threads, the upper end of the fastening head is of a cone-shaped structure with a narrow upper part and a wide lower part, the side surface of the upper end of the fastening head is averagely provided with a long-strip-shaped opening, the lower end of the fastening head is of a cylindrical,
when the parameters in the well are tested, the cable to be tested is sleeved with the fastening head and the fastening cap from inside to outside in sequence, the fastening head and the fastening cap are screwed tightly to clamp and fix the cable to be tested,
the second plug is a conical round table with a wide upper part and a narrow lower part, a round hole is arranged at the upper end of the round table,
the upper end of the plug nail is provided with a hexagonal head, the lower end of the plug nail is provided with a connector matched with a circular hole at the upper end of the second plug for connecting the second plug, and the side wall of the plug nail is provided with threads.
Furthermore, the second plug is made of acrylate rubber.
In one embodiment, when the oil well is tested, the tested cable is sleeved with the fastening head and the fastening cap from inside to outside in sequence, the tested cable is clamped and fixed through the interaction of the fastening head and the fastening cap and enters the inside of the oil well through the testing hole to be tested,
after the test is finished, the cable locking device is moved out of the test hole, the second plug and the plug nail are connected and screwed into the test hole, and a good sealing effect is achieved.
Compared with the prior art, the technical scheme has the advantages that the well internal parameters can be directly tested through the cable locking device under the condition that the casing head is not detached, the operation is convenient, the maintenance condition is less, the maintenance cost is reduced, and the production efficiency is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a measurable oil well casing head device according to the present invention;
fig. 2 is a schematic structural view of the casing head in the detection state of the present invention;
fig. 3 is a schematic structural view of the casing head in the operating state of the present invention;
FIG. 4 is a sectional view of the fastening cap and the fastening head of the present invention;
fig. 5 is a sectional view of the second plug and the plug pin of the present invention.
Description of reference numerals:
1. an annular boss, 2, a hanger, 3, a jackscrew, 4, a first plug, 5, a first casing nipple, 6, a second casing nipple, 7, a casing head shell, 8, a cable locking device, 9, a second plug, 10 and a plug nail,
21. sealing washer, 22, hanger casing, 23, test hole,
81. fastening cap, 82, fastening head, 83, opening.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:
it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that the present invention can achieve.
Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Example (b): with reference to fig. 1-5, a measurable well casing head apparatus, comprising: an annular boss 1, a hanger 2, a jackscrew 3, a first plug 4, a first casing pipe short section 5, a second casing pipe short section 6, a casing head shell 7, a cable locking device 8, a second plug 9 and a plug nail 10,
the center of the casing head casing 7 is provided with a vertical hole extending along the axial direction of the casing, an annular boss 1 is formed by protruding the upper part of the casing head casing 7, a hanger 2 is tightly installed in the center of the casing head casing 7, a jackscrew 3 passes through the inner wall of the annular boss 1 to be attached to a side wall tightener of a hanger casing 22, first plugs 4 are respectively arranged on the left and right sides of the casing head casing 7 by-pass, a first casing short section 5 is connected with the inner side of the hanger casing 22 through a thread, a second casing short section 6 is connected with the inner side of the casing head casing 7 through a thread,
the hanger 2 includes: sealing gasket 21, hanger housing 22 and test hole 23,
the upper end of the hanger shell 22 is provided with a test hole 23 for installing the plug nail 10 and the cable locking device 8, the lower end of the test hole 23 is of a conical structure for installing the second plug 9, the outer wall of the hanger shell 22 and the inner wall of the casing head shell 7 are provided with sealing gaskets 21 to achieve the effect of fastening and sealing,
the cable locking device 8 includes: a securing cap 81, a securing head 82 and an opening 83,
the fastening cap 81 is a hollow cylindrical structure, the inner wall is provided with screw threads,
the fastening head 82 is hollow inside and is higher than the fastening cap 815 cm-10 cm, the outer wall is provided with threads, the upper end is of a cone-shaped structure with a narrow upper part and a wide lower part, the side surface of the upper end is averagely provided with a long-strip-shaped opening 83, the lower end is of a cylindrical structure, the diameter can be changed elastically,
when the parameters in the well are tested, the tested cable is sleeved with the fastening head 82 and the fastening cap 81 from inside to outside in sequence, and the fastening head 82 and the fastening cap 81 are screwed tightly to clamp and fix the tested cable.
The second plug 9 is a conical round table with a wide upper part and a narrow lower part, a round hole is arranged at the upper end of the round table,
the upper end of the plug nail 10 is provided with a hexagonal head, the lower end of the plug nail is provided with a connector matched with a circular hole at the upper end of the second plug 9, and the side wall of the plug nail is provided with threads.
The working principle of the measurable oil well casing head device in the embodiment is as follows: when the oil well is tested, the fastening head 82 and the fastening cap 81 are sleeved on the tested cable from inside to outside in sequence, the fastening head 82 and the fastening cap 81 are screwed mutually, so that the tested cable is clamped and fixed and enters the inside of the oil well through the testing hole 23 for testing,
after the test is finished, the cable locking device 8 is moved out of the test hole 23, the second plug 9 and the plug nail 10 are connected and screwed into the test hole 23, and a good sealing effect is achieved.
Claims (2)
1. A measurable well casing head apparatus, comprising: an annular boss (1), a hanger (2), a jackscrew (3), a first plug (4), a first casing nipple (5), a second casing nipple (6), a casing head shell (7), a cable locking device (8), a second plug (9) and a plug nail (10),
the center of the casing head casing (7) is provided with a vertical hole extending along the axial direction of the casing, an annular boss (1) is formed by protruding the upper part of the casing head casing (7), a hanger (2) is tightly installed in the center of the casing head casing (7), a jackscrew (3) passes through the inner wall of the annular boss (1) and is attached to a side wall tightener of the hanger casing (22), the left side and the right side of the casing head casing (7) are respectively provided with a first plug (4), a first casing short section (5) is connected with the inner side of the hanger casing (22) through threads, a second casing short section (6) is connected with the inner side of the casing head casing (7) through threads,
the hanger (2) comprises: a sealing gasket (21), a hanger shell (22) and a test hole (23),
the upper end of the hanger shell (22) is provided with a test hole (23) for installing a plug nail (10) and a cable locking device (8), the lower end of the test hole (23) is of a conical structure for installing a second plug (9), a sealing gasket (21) is arranged between the outer wall of the hanger shell (22) and the inner wall of the casing head shell (7),
the cable locking device (8) comprises: a fastening cap (81), a fastening head (82) and an opening (83),
the fastening cap (81) is in a hollow cylindrical structure, the inner wall of the fastening cap is provided with threads,
the fastening head (82) is hollow inside and is 5 cm-10 cm higher than the fastening cap (81), the outer wall of the fastening head is provided with threads, the upper end of the fastening head is of a tapered tubular structure with a narrow upper part and a wide lower part, the side surface of the upper end of the fastening head is averagely provided with a long-strip-shaped opening (83), the lower end of the fastening head is of a cylindrical structure, the diameter of the fastening head can be changed,
the second plug (9) is a conical round table with a wide upper part and a narrow lower part, a round hole is arranged at the upper end of the round table,
the upper end of the plug nail (10) is provided with a hexagonal head, the lower end of the plug nail is provided with a connector matched with a circular hole at the upper end of the second plug (9), and the side wall of the plug nail is provided with threads.
2. A measurable well casing head device according to claim 1, wherein the second plug (9) is of acrylate rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020709667.XU CN210714572U (en) | 2020-05-02 | 2020-05-02 | Measurable oil well casing head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020709667.XU CN210714572U (en) | 2020-05-02 | 2020-05-02 | Measurable oil well casing head device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210714572U true CN210714572U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020709667.XU Active CN210714572U (en) | 2020-05-02 | 2020-05-02 | Measurable oil well casing head device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210714572U (en) |
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2020
- 2020-05-02 CN CN202020709667.XU patent/CN210714572U/en active Active
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Address after: 257500 Xisi Road underground operation company, Dongying District, Dongying City, Shandong Province Patentee after: Weida Petroleum Equipment Co.,Ltd. Address before: 257500 Xisi Road underground operation company, Dongying District, Dongying City, Shandong Province Patentee before: DONGYING XIN HUALIAN PETROLEUM MACHINERY Co. |