CN217176556U - Well head suspension combined mechanism for coupling cable and oil pipe passage - Google Patents
Well head suspension combined mechanism for coupling cable and oil pipe passage Download PDFInfo
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- CN217176556U CN217176556U CN202220229689.5U CN202220229689U CN217176556U CN 217176556 U CN217176556 U CN 217176556U CN 202220229689 U CN202220229689 U CN 202220229689U CN 217176556 U CN217176556 U CN 217176556U
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- oil pipe
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- pipe head
- christmas tree
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Abstract
The utility model discloses a well head suspension combined mechanism of a coupling cable and oil pipe passage, which comprises an upper Christmas tree, a lower Christmas tree, an upper oil pipe head, a lower oil pipe head and a quick joint; the lower oil pipe head is connected with the quick connector through an oil pipe buckle, the lower oil pipe head is hung on a lower oil production tree through left and right step surfaces, a cable passage and an oil pipe passage are formed in the upper oil pipe head and located above the lower oil pipe head, when the oil pipe head is used for downhole operation, a cable and a unit are simultaneously guided into the oil pipe, the cable is sealed by adopting rubber cement in the cable passage, and the requirement of operation of a steel wire cable casting and fishing unit is met.
Description
Technical Field
The utility model belongs to the technical field of petroleum engineering, a well head that coupling cable and oil pipe route hang combination formula mechanism is related to particularly.
Background
When the offshore oil platform is used for oil extraction, the throwing and fishing type unit is adopted to save well repairing cost when the electric pump is taken off and down for the platform, and when the electric pump is taken off and down again, the unit is directly thrown and fished. The unit can be directly lowered into the oil pipe through the steel wire cable by using the steel wire cable for operation, and the cable and the oil pipe are separated from each other in the conventional oil pipe hanger, so that the operation requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides a well head that coupling cable and oil pipe route hangs combination formula mechanism can be with cable and the leading-in same oil pipe of unit in satisfying the prerequisite of basic oil pipe string function, satisfies through the steel wire cable with the unit throw in oil pipe drag for the requirement of operation.
A wellhead suspension combined mechanism for coupling a cable and an oil pipe passage comprises an upper Christmas tree, a lower Christmas tree, an upper oil pipe head, a lower oil pipe head and a quick connector;
the upper Christmas tree and the lower Christmas tree are connected through a flange, and a step surface for hanging a lower tubing head is formed on the inner wall of the lower Christmas tree;
the quick connector comprises an upper oil pipe head and a lower oil pipe head, wherein hanging lugs are formed on two sides of the lower oil pipe head, the lower oil pipe head is hung on the step surface of the inner wall of the lower Christmas tree through the hanging lugs on two sides, the upper oil pipe head is located above the lower oil pipe head, a cable passage and an oil pipe passage are formed inside the upper oil pipe head, and the quick connector is connected to the lower end of the lower oil pipe head.
In the above technical scheme, the sealing washer mounting groove has been seted up to the tube head that oils outside, is provided with the sealing washer in the sealing washer mounting groove, the tube head that oils pass through the sealing washer with the lower part christmas tree inner wall is sealed.
In the technical scheme, a sealing ring mounting groove is formed in the outer side of the lower oil pipe head, a sealing ring is arranged in the sealing ring mounting groove, and the lower oil pipe head is sealed with the inner wall of the lower Christmas tree through the sealing ring.
The utility model has the advantages that:
(1) the lower tubing head is connected with the quick connector through a tubing buckle, the lower tubing head is hung on a lower Christmas tree through left and right step surfaces, a cable passage and an tubing passage are formed in the upper tubing head and are located above the lower tubing head, when the lower well is operated, the cable and the unit are simultaneously guided into the tubing, and the cable is sealed by adopting the rubber cement in the cable passage, so that the operation requirement of the steel wire cable casting and fishing unit is met;
(2) the lower tubing head is connected with the quick connector through the tubing buckle, the lower tubing head is hung on a lower Christmas tree through the left and right step surfaces, and the quick connector is connected with the tubing, so that the use requirement of replacing a conventional tubing hanger for hanging the tubing during use is met;
(3) the sealing ring mounting grooves are formed in the outer sides of the upper oil pipe head and the lower oil pipe head, the sealing rings are arranged in the sealing ring mounting grooves, the upper oil pipe head and the lower oil pipe head are sealed with a lower Christmas tree through the sealing rings, and the using requirements for replacing a conventional oil pipe hanger to hang an oil pipe to achieve inner sealing of the Christmas tree during use are met.
Drawings
Fig. 1 is the utility model discloses a well head of coupling cable and oil pipe route hangs combination formula mechanism structure sketch.
In the figure: 1 is a quick connector, 2 is a tubing-down head, 3 is a tubing-up head, 4 is a lower Christmas tree, and 5 is an upper Christmas tree.
For a person skilled in the art, without inventive effort, other relevant figures can be derived from the above figures.
Detailed Description
The technical solution of the present invention will be further described with reference to the following specific examples.
Examples
A wellhead suspension combined mechanism for coupling a cable and an oil pipe passage comprises an upper Christmas tree 5, a lower Christmas tree 4, an upper oil pipe head 3, a lower oil pipe head 2 and a quick connector 1;
the upper Christmas tree 5 and the lower Christmas tree 4 are connected through flanges, and a step surface for hanging the lower tubing head 2 is formed on the inner wall of the lower Christmas tree 4;
the lower oil pipe head 2 both sides are formed with the suspension ear, lower oil pipe head 2 through both sides suspension ear hang in on the step face of lower part christmas tree 4 inner wall, upper oil pipe head 3 is located the top of lower oil pipe head 2, cable access and oil pipe access have been seted up to upper oil pipe head 3 inside, quick-operation joint 1 connect in the lower extreme of lower oil pipe head 2.
In this embodiment, the sealing washer mounting groove has been seted up in the 3 outsides of the tube head that oils, is provided with the sealing washer in the sealing washer mounting groove, the tube head that oils 3 through the sealing washer with the lower part production tree inner wall is sealed.
In this embodiment, a sealing ring mounting groove is formed in the outer side of the lower tubing head 2, a sealing ring is arranged in the sealing ring mounting groove, and the lower tubing head 2 is sealed with the inner wall of the lower christmas tree through the sealing ring.
The coupling unit and the cable realize the operation of the steel wire cable throwing and fishing unit: the lower oil pipe head 2 is connected with the quick connector 1 through an oil pipe buckle, the lower oil pipe head 2 is hung on a lower Christmas tree 4 through left and right step surfaces, a cable passage and an oil pipe passage are formed in the upper oil pipe head 3 and are located above the lower oil pipe head 2, when the oil pipe is in a well operation, a cable and a unit are simultaneously guided into the oil pipe, the cable is sealed by adopting rubber in the cable passage, and the requirement of the operation of a steel wire cable throwing and fishing unit is met; replace conventional tubing hanger suspension oil pipe: the lower tubing head 2 is connected with the quick connector 1 through a tubing buckle, the lower tubing head 2 is hung on the lower Christmas tree 4 through left and right step surfaces, and the quick connector 1 is connected with the tubing, so that the use requirement of hanging the tubing instead of a conventional tubing hanger is met;
realizing the internal sealing of the Christmas tree: open through the tube head that oils 3, lower oil pipe head 2 outside has the sealing washer mounting groove, and the sealing washer is settled in the sealing washer mounting groove, and the tube head that oils 3, lower oil pipe head 2 are sealed through sealing washer and lower part christmas tree 4, and it is right more than substituting often when satisfying the use the utility model discloses it hangs oil pipe and realizes the sealed user demand in the christmas tree to have done the exemplary rule oil pipe.
The invention has been described above by way of example, and it should be noted that any simple variants, modifications or other equivalent substitutions by a person skilled in the art without spending creative effort may fall within the scope of protection of the present invention without departing from the core of the present invention.
Claims (3)
1. A wellhead suspension combined mechanism for coupling a cable and an oil pipe passage is characterized by comprising an upper Christmas tree, a lower Christmas tree, an upper oil pipe head, a lower oil pipe head and a quick connector;
the upper Christmas tree and the lower Christmas tree are connected through a flange, and a step surface for hanging a lower tubing head is formed on the inner wall of the lower Christmas tree;
the quick connector comprises an upper oil pipe head and a lower oil pipe head, wherein hanging lugs are formed on two sides of the lower oil pipe head, the lower oil pipe head is hung on the step surface of the inner wall of the lower Christmas tree through the hanging lugs on two sides, the upper oil pipe head is located above the lower oil pipe head, a cable passage and an oil pipe passage are formed inside the upper oil pipe head, and the quick connector is connected to the lower end of the lower oil pipe head.
2. A wellhead suspension combination mechanism for coupling wireline to tubing access, as claimed in claim 1, wherein: the sealing washer mounting groove has been seted up to the tube head outside of oiling, is provided with the sealing washer in the sealing washer mounting groove, the tube head of oiling pass through the sealing washer with the lower part christmas tree inner wall is sealed.
3. A wellhead suspension combination mechanism for coupling wireline to tubing access, as claimed in claim 1, wherein: and a sealing ring mounting groove is formed in the outer side of the lower oil pipe head, a sealing ring is arranged in the sealing ring mounting groove, and the lower oil pipe head is sealed with the inner wall of the lower Christmas tree through the sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220229689.5U CN217176556U (en) | 2022-01-27 | 2022-01-27 | Well head suspension combined mechanism for coupling cable and oil pipe passage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220229689.5U CN217176556U (en) | 2022-01-27 | 2022-01-27 | Well head suspension combined mechanism for coupling cable and oil pipe passage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217176556U true CN217176556U (en) | 2022-08-12 |
Family
ID=82737143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220229689.5U Active CN217176556U (en) | 2022-01-27 | 2022-01-27 | Well head suspension combined mechanism for coupling cable and oil pipe passage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217176556U (en) |
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2022
- 2022-01-27 CN CN202220229689.5U patent/CN217176556U/en active Active
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