CN214365978U

CN214365978U - Oil pipe cross device that production tree used

Info

Publication number: CN214365978U
Application number: CN202120313988.2U
Authority: CN
Inventors: 孔德鹏; 吴炜; 梁萍
Original assignee: Jiangsu Yima Machinery Co ltd
Current assignee: Jiangsu Yima Machinery Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-10-08
Anticipated expiration: 2031-02-03

Abstract

The utility model belongs to the technical field of Christmas trees, and discloses an oil pipe cross device for Christmas trees, which comprises a base, wherein a second BT sealing ring is arranged inside the base, a second grease injection port is arranged outside the second BT sealing ring, a first oil seal is arranged on the outer wall of the second grease injection port, a tubing head is arranged above the tubing head, an inner ring is arranged on the surface wall of the tubing head, a rotary bead is arranged on the outer wall of the inner ring, and a loading assisting block is arranged on the outer wall of the rotary bead, the utility model discloses an inner ring is arranged on the surface wall of the tubing head, a rotary bead is arranged outside the inner ring, the loading assisting block is arranged outside the rotary bead, when water pipes on two sides are installed, the column is quickly rotated to the side, the water pipes are placed above the loading assisting block, the water pipes do not need to be manually lifted, the labor force is reduced, when the water pipes on the other side are installed, the column block is rotated, the balance of the tubing head is kept while the water pipes are installed in an assisting manner, the installation difficulty of the water pipe is reduced.

Description

Oil pipe cross device that production tree used

Technical Field

The utility model belongs to the technical field of the production tree, concretely relates to oil pipe cross device that production tree used.

Background

The christmas tree is an assembly located at the opening to the top end of the well, including valves for measurement and maintenance, safety systems and a series of monitoring instruments, which connects the production tubing and production tubing from the well, while acting as an important barrier to isolate the top end of the well from the outside environment, and which includes a number of valves that can be used to regulate or prevent the production of vapors, natural gases and liquids from the well, and a tubing head is typically used at the bottom end of the christmas tree, which is used to suspend an inner tubing string, forming an annular space between the seal tubing and the casing, providing a transition connection for the casing head and the christmas tree.

Because the side openings at two sides of the tubing head need to be provided with water valves for water injection and well washing operation, but when the tubing head is installed, the weight of the water valves is higher, so that the tubing head cannot be well kept balanced when the tubing head is installed, and a second water valve cannot be well kept stable when the tubing head is installed after one water valve is installed, the installation difficulty is higher, and after the tubing head is installed, the sealing flange is installed on the side surface of the tubing head and is possibly influenced by external rainwater, so that the sealing effect is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil pipe cross device that christmas tree was used to solve the higher and external problem that probably leads to sealed effect to descend of the sealed flange of the current installation water valve degree of difficulty.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil pipe cross device that christmas tree was used, includes the base, the inside of base is provided with second BT sealing washer, and the outside of second BT sealing washer is provided with the second and annotates the fat mouth, first oil blanket is installed to the outer wall that the fat mouth was annotated to the second, the oil pipe head is installed to the top of base, and the table wall of oil pipe head installs the inner ring, the outer wall of inner ring is provided with changes the pearl, and changes the outer wall of pearl and set up and help the dress piece, help the dress piece through changeing pearl and inner ring rotation connection.

Preferably, an oil pipe is arranged inside the oil pipe head, a first BT sealing ring is installed on the inner wall of the oil pipe, a first grease injection port is formed in the outer portion of the first BT sealing ring, and a second oil seal is arranged on the outer wall of the first grease injection port.

Preferably, the surface wall of water pipe is provided with the runner, the sealed lid is installed to the one side that the water pipe kept away from sealed flange, and the pressure gauge is installed to the one side that sealed lid kept away from the water pipe.

Preferably, an O-shaped sealing ring is installed above the surface wall of the oil pipe hanger, a backing ring is installed below the surface wall of the oil pipe hanger, and a locking nut is installed above the oil pipe head.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model discloses the inner ring has been installed at the table wall of oil pipe head, and the inner ring outside has set up changes the pearl, has helped adorning the piece at the externally mounted who changes the pearl, during the water pipe of installation both sides, rotates the side soon with the column, puts the water pipe in the top of helping adorning the piece, does not need the manual work to lift up the water pipe, has reduced the labour, during the water pipe of installation opposite side, rotates the column piece, keeps the balance of oil pipe head in the time of the supplementary installation water pipe, has reduced the installation degree of difficulty of water pipe.

(2) The utility model discloses set up embedded groove at the lateral wall of oil pipe head, and the recess that matches sealing flange fixing bolt is seted up to embedded groove's bottom, during the use, put into embedded groove with sealing flange, make fixing bolt and recess close soon, put sealing flange and the junction of oil pipe head in the inside of oil pipe head, can not be because of the sealed effect of external influence sealing flange.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the tubing head of the present invention;

FIG. 3 is a cross-sectional view of an oil pipe head according to the present invention;

in the figure: 1. locking the nut; 2. sealing the flange; 3. a rotating wheel; 4. a sealing cover; 5. an assembly assisting block; 6. a base; 7. a first oil seal; 8. a second oil seal; 9. an inner ring; 10. a pressure gauge; 11. rotating the beads; 12. a tubing head; 13. an O-shaped sealing ring; 14. a water injection port; 15. an oil pipe hanger; 16. a backing ring; 17. an oil pipe; 18. a first grease injection port; 19. a first BT seal ring; 20. a second BT seal ring; 21. a second grease injection port; 22. an embedded groove is formed; 23. a water pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides an oil pipe cross device that production tree used, including base 6, the inside of base 6 is provided with second BT sealing washer 20, and the outside of second BT sealing washer 20 is provided with second grease injection mouth 21, first oil blanket 7 is installed to the outer wall of second grease injection mouth 21, oil pipe head 12 is installed to the top of base 6, and the table wall of oil pipe head 12 installs inner ring 9, the outer wall of inner ring 9 is provided with changes pearl 11, and the outer wall of changeing pearl 11 sets up helps dress piece 5, help dress piece 5 rotates with inner ring 9 through changeing pearl 11 and be connected, when installing both sides water pipe 23, will help dress piece 5 to rotate corresponding direction, put the water pipe on helping dress piece 5, alleviate the installation degree of difficulty.

Further, an oil pipe 17 is arranged inside the oil pipe head 12, a first BT sealing ring 19 is installed on the inner wall of the oil pipe 17, a first grease injection port 18 is formed in the outer portion of the first BT sealing ring 19, a second oil seal 8 is arranged on the outer wall of the first grease injection port 18, when leakage occurs inside the oil pipe 17, the oil seal is opened, sealing grease is injected into the grease injection port, and secondary sealing is formed.

Furthermore, both sides of the oil pipe 17 are provided with water injection ports 14, an oil pipe hanger 15 is arranged above the oil pipe 17, the oil pipe hanger 15 is a device for supporting the oil pipe column and sealing an annular space between the oil pipe 17 and the casing, and the oil pipe hanger 15 is sealed in a manner that the oil pipe hanger is connected with the oil pipe and is seated in a large four-way cone of the oil pipe hanger by utilizing the gravity of the oil pipe to be sealed, so that the operation is convenient, the well mouth changing speed is high, and the well mouth changing is safe, so that the well is a commonly used manner in medium-deep wells and conventional wells.

Specifically, the surface wall of the oil pipe head 12 is provided with an inner embedded groove 22, the inner embedded groove 22 is provided with two sides which are respectively located on two sides of the oil pipe head 12, the outer side of the oil pipe head 12 is provided with a sealing flange 2, the sealing flange 2 is matched with the inner embedded groove 22, one side, far away from the inner embedded groove 22, of the sealing flange 2 is provided with a water pipe 23, the sealing flange 2 is installed inside the inner embedded groove 22, and therefore the sealing effect is prevented from being reduced due to external influence.

It is worth explaining that the surface wall of the water pipe 23 is provided with the rotating wheel 3, one side of the water pipe 23, which is far away from the sealing flange 2, is provided with the sealing cover 4, one side of the sealing cover 4, which is far away from the water pipe 23, is provided with the pressure gauge 10, the pressure gauge detects the air pressure in the oil pipe 17 in real time, the staff can observe the internal pressure conveniently, and when a problem occurs, the staff can process the internal pressure conveniently and timely.

Further, an O-shaped sealing ring 13 is arranged above the surface wall of the oil pipe hanger 15, a backing ring 16 is arranged below the surface wall of the oil pipe hanger 15, a locking nut 1 is arranged above the oil pipe head 12, and a Christmas tree is arranged above the oil pipe head 12 through the locking nut 1.

The utility model discloses a theory of operation and use flow: when the utility model is used, the inner ring 9 is arranged on the surface wall of the oil pipe head 12, then the loading assisting block 5 is connected through the rotation of the rotating bead 11, the loading assisting block 5 is rotated to one side of the oil pipe head 12, the sealing flange 2 is plugged into the embedded groove 22, the sealing flange 2 is prevented from being influenced by the external environment, the sealing effect of the sealing flange 2 is prevented from being reduced, after the water pipe 23 is arranged through the sealing flange 2, the sealing cover 4 is arranged on the other side of the water pipe 23, when the oil pipe 17 leaks by accident, the first oil seal 7 and the second oil seal 8 are opened, the sealing grease is injected into the first grease injection port 18 and the second grease injection port 21, the oil is prevented from leaking from the first BT sealing ring 19 and the second BT sealing ring 20, the upper part of the oil pipe head 12 is connected with the oil production tree through the locking bolt 1, the lower part of the oil pipe head 12 is connected with the casing head, the oil pipe hanger 15 supports the oil pipe column, and seals the space between the oil pipe 17 and the casing, the sealing cover 4 is opened to connect a water source, then the rotating wheel 3 is opened to carry out water injection and well washing operation, and the pressure gauge 10 detects the internal pressure of the tubing head in real time.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oil pipe cross device that production tree used, includes base (6), its characterized in that: the inside of base (6) is provided with second BT sealing washer (20), and the outside of second BT sealing washer (20) is provided with second notes fat mouth (21), first oil blanket (7) are installed to the outer wall of second notes fat mouth (21), oil pipe head (12) are installed to the top of base (6), and the table wall of oil pipe head (12) installs inner ring (9), the outer wall of inner ring (9) is provided with changes pearl (11), and the outer wall of changeing pearl (11) is provided with helps dress piece (5), help dress piece (5) rotate with inner ring (9) through changeing pearl (11) and be connected.

2. The tubing cross-fitting device for the Christmas tree of claim 1, wherein: oil pipe (17) have been seted up to the inside of oil pipe head (12), and first BT sealing washer (19) is installed to the inner wall of oil pipe (17), the outside of first BT sealing washer (19) is provided with first notes fat mouth (18), and the outer wall of first notes fat mouth (18) is provided with second oil blanket (8).

3. The tubing cross-fitting device for the Christmas tree of claim 2, wherein: the water injection ports (14) are formed in the two sides of the oil pipe (17), and an oil pipe hanger (15) is installed above the oil pipe (17).

4. The tubing cross-fitting device for the Christmas tree of claim 3, wherein: interior caulking groove (22) have been seted up to the table wall of oil pipe head (12), and interior caulking groove (22) are provided with both sides altogether, are located the both sides of oil pipe head (12) respectively, the outside of oil pipe head (12) is provided with sealing flange (2), sealing flange (2) and interior caulking groove (22) phase-match, sealing flange (2) are kept away from one side of interior caulking groove (22) and are installed water pipe (23).

5. The tubing cross-fitting device for the Christmas tree of claim 4, wherein: the surface wall of water pipe (23) is provided with runner (3), sealed lid (4) are installed to one side that sealed flange (2) were kept away from in water pipe (23), and sealed lid (4) keep away from one side of water pipe (23) and install pressure gauge (10).

6. The tubing cross-fitting device for the Christmas tree of claim 5, wherein: an O-shaped sealing ring (13) is installed above the surface wall of the oil pipe hanger (15), a backing ring (16) is installed below the surface wall of the oil pipe hanger (15), and a locking nut (1) is installed above the oil pipe head (12).