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Device and method for selecting oil nozzle in gas well test

A technology for nozzles and gas wells, which is applied to the field of nozzle selection devices in gas well testing, can solve problems such as high personnel requirements, great influence of human factors, and inability to provide nozzle combinations, and achieves the effect of meeting engineering requirements and selecting methods scientifically

Active Publication Date: 2021-06-29
SOUTHWEST PETROLEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a device for selecting oil nozzles in gas well testing to solve the problem that in the prior art, the selection of oil nozzles is realized through the subjective experience of on-site operators, which has high requirements for personnel and is greatly influenced by human factors, but it cannot provide the best matching oil nozzles. Combined Technical Issues

Method used

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  • Device and method for selecting oil nozzle in gas well test
  • Device and method for selecting oil nozzle in gas well test
  • Device and method for selecting oil nozzle in gas well test

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Embodiment 1

[0065] The present invention provides a fuel nozzle selection device in gas well testing, including a natural gas supply system, a gas well test multi-working condition simulation system, a fuel nozzle multi-combination testing system 503 and a control device; wherein,

[0066] The oil nozzle multi-combination testing system 503 includes various oil nozzle combinations arranged in parallel through pipelines;

[0067] The multi-working condition simulation system for gas well testing includes a surface flow pipeline 109, and the nozzle multi-combination testing system 503 is connected to the surface flow pipeline 109, and one end of the surface flow pipeline 109 is connected to a test string 106 , the test column 106 is connected with a vacuum pump 105; the other end of the surface flow pipeline 109 is connected with a gas-liquid two-phase separator 402; the gas outlet end of the gas-liquid two-phase separator 402 is connected with a gas flow A pipeline 403, the gas flow pipeli...

Embodiment 2

[0083] The method for selecting oil nozzles provided by the present invention using the oil nozzle selection device in the gas well test of the above-mentioned embodiment 1 includes the following steps

[0084] (1) Before the test starts, check the connection between the test pipe string 106 and other devices and check the sealing condition of the pipeline connection; use the vacuum pump 105 to pump the inside of the test pipe string 106 to a vacuum state, and turn off the vacuum pump 105; carry out the test of the first-level oil nozzle combination; Open the primary switch a204 and the primary switch b206, connect the pipelines of the primary nozzle combination, and close the pipelines of the secondary nozzle combination and the tertiary nozzle combination;

[0085] ① Open the intake valve 104 and the booster pump 102 to inject natural gas into the test pipe string 106 through the natural gas supply system and pressurize it, and monitor the pressure in the test pipe string 106...

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Abstract

The invention discloses a device and a method for selecting an oil nozzle in a gas well test. The device comprises a natural gas supply system, a gas well test multi-working-condition simulation system, an oil nozzle multi-combination test system (503) and a control device, wherein the oil nozzle multi-combination test system (503) comprises a plurality of oil nozzle combinations which are arranged in parallel through pipelines; and the gas well test multi-working-condition simulation system comprises a ground flow pipeline (109), and the oil nozzle multi-combination test system (503) is connected to the ground flow pipeline (109). The device is safe and reliable, and the whole process and multi-working-condition simulation of gas well testing operation can be carried out; various modes of oil nozzle combination can be flexibly changed in the testing process, and the engineering requirements are met; and the optimal oil nozzle combination mode matched with the test working condition can be accurately selected, and the method has practical guiding significance for selection of the oil nozzle combination mode in gas well test.

Description

technical field [0001] The invention belongs to the field of petroleum engineering, and in particular relates to a device and method for selecting nozzles in gas well testing. Background technique [0002] Gas well testing is a necessary means to understand gas reservoirs and evaluate the potential of gas fields, and plays a vital role in the exploration and development of gas fields. By testing single wells, well groups or blocks, dynamic data and pressure drop characteristics of gas reservoirs can be obtained, and comprehensive utilization and analysis of gas test, well test and production test data can be used to evaluate productivity and obtain gas reservoir development characteristics, The stable production conditions of gas reservoirs, the determination of the controlled reserves of single wells and the development scale of gas fields, and the determination of reasonable development plans for gas fields have certain guiding significance for the development of gas field...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20E21B47/00G06F119/14
CPCG06F30/20E21B47/00G06F2119/14
Inventor 魏纳白睿玲张耀赵金洲孙万通李海涛
Owner SOUTHWEST PETROLEUM UNIV
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