CN214886957U

CN214886957U - Two-way pipe fitting for oilfield wellhead connection

Info

Publication number: CN214886957U
Application number: CN202120355558.7U
Authority: CN
Inventors: 李小军; 钟翔; 唐丽; 于尧; 曾光; 王龙飞
Original assignee: Shengli Oil Field Shengli Petroleum Instrument Factory
Current assignee: Shengli Oil Field Shengli Petroleum Instrument Factory
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2021-11-26
Anticipated expiration: 2031-02-06

Abstract

The utility model discloses an oil field well head is connected and is used two siphunculus spare, including glib talker and oil delivery pipe core, glib talker connects in oil delivery pipe core one end, glib talker is connected with the oil well mouth, install two siphunculus on the oil delivery pipe core, two siphunculus comprise branch pipe A and branch pipe B, and branch pipe A end connection just both communicate on branch pipe B's pipe wall, the oil delivery pipe core passes branch pipe B, and branch pipe B keeps away from the one end of glib and installs sealed supporting component, branch pipe A keeps away from branch pipe B's one end and is connected with elbow one end, and oil delivery pipe core and elbow are connected with portable metering truck import, export rubber oil delivery hose respectively, the utility model discloses can form crude oil circulation return circuit through two siphunculus spares of connecting portable metering truck exit under the condition that does not change former flow to carry out crude oil metering work, solved the oil operation and need change former flow and the inefficiency that causes, High labor intensity and influence on production safety.

Description

Two-way pipe fitting for oilfield wellhead connection

Technical Field

The utility model relates to an oil field oil recovery field specifically is an oil field well head is connected and is used two-way pipe fitting.

Background

In the process of exploiting the oil field, the accurate measurement of the oil well yield is an important basis for dynamic analysis of oil field development, and the production parameters such as the yield, the water content and the like of the oil well can be determined by continuously measuring the output of each oil well, so that the changes of the oil reservoir and the production dynamics can be known. Therefore, in the actual oil well exploitation process, oil measurement needs to be carried out on the oil well, for a dense oil well group, the oil measurement can be carried out by adding a measuring station, and for a single well, a mobile oil well measuring vehicle is generally used for measuring the oil.

The standard operating modes of the existing mobile oil well metering vehicle are: stopping the well and emptying, then removing an oil nozzle of the oil well, sleeving quadruple pressure transmission equipment, and connecting the oil nozzle of the oil well with a pipeline of an oil well metering vehicle; after the oil well metering vehicle finishes oil metering, the well needs to be stopped again for emptying, then the oil metering device is disassembled, the plug is tightened, and then the well is opened. Moreover, the metered crude oil needs to be provided with a separate storage place, and is conveyed to a gathering pipeline after the metering is finished. The process changes the original crude oil circulation pipeline, needs to consume a large amount of manpower and material resources, and has low efficiency and influence on production safety. Therefore, the existing single-well oil well metering mode is time-consuming and labor-consuming, and the production efficiency and safety of oil well exploitation are seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil field well head is connected and is used two-way pipe spare to solve above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme:

a two-way pipe fitting for connecting oil field well heads comprises an oil nozzle and an oil conveying pipe core, wherein the oil nozzle is connected with one end of the oil conveying pipe core, the other end of the oil conveying pipe core is connected with a special rubber pipe connecting joint A, the oil nozzle is connected with an oil well mouth, the oil conveying pipe core is provided with a two-way pipe, the two-way pipe consists of a branch pipe A and a branch pipe B, the end part of the branch pipe A is connected with the pipe wall of the branch pipe B and the branch pipe A is communicated with the pipe wall of the branch pipe B, the oil conveying pipe core passes through a branch pipe B, one end of the branch pipe B far away from the oil nozzle is provided with a sealing support component, one end of the branch pipe A far away from the branch pipe B is connected with one end of an elbow, the other end of the elbow is connected with a special joint B for rubber pipe connection, the special rubber pipe connection joint A and the special rubber pipe connection joint B are respectively connected with an inlet rubber oil delivery hose and an outlet rubber oil delivery hose of the movable metering truck, and one end of the branch pipe B, which is close to the oil nozzle, is provided with a thread, and is directly in threaded connection with a matched oil pipe in the subsequent flow.

On the basis of the technical scheme, the utility model discloses still provide following optional technical scheme:

in one alternative: and a carbon fiber packing is arranged between the inner wall of one end of the branch pipe B close to the sealing support component and the outer wall of the oil conveying pipe core, the carbon fiber packing is sleeved on the oil conveying pipe core, and a plurality of O-shaped sealing rings are arranged in the carbon fiber packing.

In one alternative: the branch pipe A and the branch pipe B are arranged vertically.

In one alternative: the elbow is a 90-degree elbow.

In one alternative: the branch pipe A is connected with the elbow through the union assembly.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses can connect the exit of portable measurement car through two-way pipe fitting and form crude oil circulation return circuit under the condition that does not change former flow to carry out crude oil measurement work, solved the oily operation of volume and need change former flow and the inefficiency that causes, intensity of labour height and influence the problem of production safety. The two-way pipe fitting has the advantages of simple structure, reliable operation and small maintenance workload, and is very suitable for the working environment of oil extraction in an oil field.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention.

Fig. 2 is a schematic diagram of the external structure of the present invention.

Notations for reference numerals: 1-a nozzle tip; 2-oil transportation pipe core; 3-a special joint A for rubber pipe connection and 4-a special joint B for rubber pipe connection; 5-bending the pipe; 6-the union component; 7-two-way pipe; 8-carbon fiber packing; 9-O type sealing ring; 10-a seal support assembly.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.

Examples

Referring to fig. 1-2, in the embodiment of the present invention, a two-way pipe for connecting oil field well heads includes an oil nozzle 1 and an oil pipe core 2, the oil nozzle 1 is connected to one end of the oil pipe core, the other end of the oil pipe core 2 is connected to a special joint a3 for rubber pipe connection, the oil nozzle 1 can be connected to an oil well port, the oil pipe core 2 is provided with a two-way pipe 7, the two-way pipe 7 is composed of a branch pipe a and a branch pipe B, the end of the branch pipe a is connected to the pipe wall of the branch pipe B and the two are connected, preferably, the branch pipe a is perpendicular to the branch pipe B, the oil pipe core passes through the branch pipe B, one end of the branch pipe B, which is far away from the oil nozzle 1, is provided with a sealing support assembly 10, a carbon fiber packing 8 is provided between the inner wall of one end of the branch pipe B, which is close to the sealing support assembly 10, and the outer wall of the oil pipe core 2, the carbon fiber packing 8 is sleeved on the oil pipe core 2, a plurality of O-type sealing rings 9 are provided in the carbon fiber packing 8, one end of the branch pipe A, which is far away from the branch pipe B, is connected with one end of an elbow 5, the other end of the elbow 5 is connected with a special rubber pipe connection joint B4, the elbow 5 is preferably a 90-degree elbow, further, the branch pipe A is preferably connected with the elbow 5 through a union assembly 6, the special rubber pipe connection joint A3 and the special rubber pipe connection joint B4 are respectively connected with an inlet rubber oil delivery hose and an outlet rubber oil delivery hose of a mobile metering vehicle, and one end of the branch pipe B, which is close to an oil nozzle 1, is provided with threads and can be directly in threaded connection with a matched oil pipe of a subsequent flow;

the working flow of the two-way pipe is as shown in the figure, an oil nozzle 1 is connected with an oil well mouth, crude oil from an oil well enters an oil conveying pipe core 2 through the oil nozzle 1, then enters a movable metering vehicle for metering through a rubber pipe connecting special joint A3 and a rubber pipe, the metered crude oil sequentially flows through a 90-degree elbow 5 and a union assembly 6 into the two-way pipe 7 through the rubber pipe connecting special joint B4, finally flows out of the two-way pipe 7 through the tail end of the two-way pipe 7, the tail end of the two-way pipe 7 is connected with a petroleum special oil pipe, and the outflow crude oil enters the subsequent flow through the petroleum oil pipe.

Through the connection process of the two-way pipe fitting, a circulation loop is formed for crude oil to be measured, the problems that the original measurement connection mode needs frequent stopping and emptying and the like are solved, and the problems that the pipeline is blocked and the production safety is affected due to low efficiency and high labor intensity caused by stopping operation are avoided.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an oil field well head is connected and is used two siphunculus spare, includes glib talker (1) and oil delivery pipe core (2), its characterized in that, glib talker (1) is connected in oil delivery pipe core one end, and oil delivery pipe core (2) other end is connected with rubber tube connection special joint A (3), glib talker (1) is connected with the oil well mouth, install two siphunculus (7) on oil delivery pipe core (2), two siphunculus (7) comprise branch pipe A and branch pipe B, and branch pipe A end connection just both communicate on branch pipe B's pipe wall, the oil delivery pipe core passes branch pipe B, and branch pipe B keeps away from the one end of glib and installs sealed supporting component (10), branch pipe A keeps away from branch pipe B's one end and is connected with elbow (5) one end, and elbow (5) other end is connected with rubber tube connection special joint B (4), rubber tube connection special joint A (3) with rubber tube connection special joint B (4) respectively with portable metering truck import, the outlet rubber oil delivery hose is connected, and one end of the branch pipe B, which is close to the oil nozzle (1), is provided with threads and is directly in threaded connection with a matched oil pipe of a subsequent flow.

2. The oil field well head connection two-way pipe fitting of claim 1, characterized in that a carbon fiber packing (8) is arranged between the inner wall of one end of the branch pipe B close to the sealing support component (10) and the outer wall of the oil transportation pipe core (2), the carbon fiber packing (8) is sleeved on the oil transportation pipe core (2), and a plurality of O-shaped sealing rings (9) are arranged in the carbon fiber packing (8).

3. The oilfield wellhead connection two-way pipe according to claim 1, wherein the branch pipe A is arranged perpendicular to the branch pipe B.

4. A two-way pipe for oilfield wellhead connection according to claim 1, characterized in that the bend (5) is a 90 ° bend.

5. A two-way pipe for oilfield wellhead connection according to claim 1, characterized in that the branch a is connected with an elbow (5) by a union assembly (6).