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Oil and gas transmission device and method in high gas-oil ratio area

A technology of conveying device and gas-oil ratio, applied in gas/liquid distribution and storage, pipeline system, mechanical equipment, etc., can solve problems such as heating furnace flameout, oil pump damage, etc., so as to reduce construction period and construction investment, and improve oil and gas. The effect of conveying efficiency and improving station adaptability

Pending Publication Date: 2018-02-16
XIAN CHANGQING TECH ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of frequent damage to oil pumps and frequent flameouts of heating furnaces in high gas-oil ratio blocks, the present invention provides an oil and gas delivery device and method for high gas-oil ratio blocks. The purpose of oil and gas transportation, and has the advantages of process optimization, simple construction, convenient operation, etc., can greatly improve the efficiency of oil and gas transportation, and meet actual production needs

Method used

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  • Oil and gas transmission device and method in high gas-oil ratio area

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Embodiment 1

[0025] In order to be able to solve the problems of frequent damage to oil pumps and frequent flameouts of heating furnaces in high gas-oil ratio blocks, the present invention provides such figure 1 Shown is a high gas-oil ratio block oil and gas transportation device and method, the invention realizes the purpose of high gas-oil ratio block oil and gas transportation, and has the advantages of process optimization, simple construction, convenient operation, etc., and can greatly improve the efficiency of oil and gas transportation , to meet the actual production demand.

[0026] An oil and gas transportation device for a high gas-oil ratio block, including an oil collection manifold 1, a skid-mounted pressurization integrated device 2, an air cooler 3, an associated gas separator 4, and a gas flow meter 5; the oil collection manifold The outlet of 1 is connected to the inlet of skid-mounted booster integrated device 2, the outlet of skid-mounted booster integrated device 2 is...

Embodiment 2

[0031] Based on the above embodiments, in this embodiment, the skid-mounted pressurization integrated device 2 includes a heating furnace 2-1, a buffer tank 2-2, an oil delivery pump 2-3, and a flow meter 2-4. The oil heating inlet of the heating furnace 2-1 is connected to the oil collecting manifold 1, the oil heating outlet of the heating furnace 2-1 is connected to the inlet of the buffer tank 2-2, and the outlet of the buffer tank 2-2 is connected to the oil delivery pump 2-3 The inlet is connected, the outlet of the oil transfer pump 2-3 is connected with the heating inlet of the heating furnace 2-1; the outlet of the heating furnace 2-1 is connected with the flow meter 2-4.

[0032] One gas outlet of the associated gas separator 4 is connected to the fuel gas inlet of the heating furnace 2-1 of the skid-mounted pressurization integration device 2 . The gas outlet of the buffer tank 2-2 is connected with the inlet of the air cooler 3 .

[0033] The flowmeters 2-4 are he...

Embodiment 3

[0038] On the basis of the above-mentioned embodiments, in this embodiment, the specific steps of the method for transporting oil and gas in a block with a high gas-oil ratio are as follows:

[0039] Firstly, the oil well output fluid with a temperature of 3°C is self-pressurized into the oil collection manifold 1 through the oil outlet pipeline at the well site, and then heated to 30-40°C by the heating furnace 2-1 of the skid-mounted pressurization integrated device 2; The oil well produced fluid enters the buffer tank 2-2 for oil and gas two-phase separation, and the separated oil and gas are divided into two outputs;

[0040] The water-containing oil separated in the first way enters the oil delivery pump 2-3, and after being pressurized, enters the heating furnace 2-1 crude oil export heating inlet, and after being heated to 30-40°C, enters the skid-mounted pressurization integrated device 2 Flow meter 2-4, water-containing oil is transported to the downstream station aft...

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Abstract

The invention provides an oil and gas transmission device in a high gas-oil ratio area. The oil and gas transmission device comprises an oil collecting gathering pipe, a skid-mounted supercharging integrated device, an air cooler, an associated gas separator and a gas flowmeter. The outlet of the oil collecting and gathering pipe is connected with the inlet of the skid-mounted supercharging integrated device, the outlet of the skid-mounted supercharging integrated device is connected with the inlet of the air cooler, and the outlet of the air cooler is connected with the inlet of the associated gas separator. The associated gas separator is provided with two gas outlets, one gas outlet is connected with the inlet of the skid-mounted supercharging integrated device, and the other gas outletis connected with the gas flowmeter. The oil and gas transmission device and method in the high gas-oil ratio area achieve oil and gas totally-enclosed collecting and transmission in the high gas-oilratio area. The practical problems of pipeline plug flow in the high gas-oil ratio area, flameout of a heating furnace, damage of an oil transmission pump and the like are solved through oil and gasbuffering, secondary separation and oil and gas divided transmission, the oil and gas transmission efficiency is improved by 80%, and in-situ practical problems are solved. According to the oil and gas transmission device, by achieving the skid-mounted effect of partial equipment, the adaptability of a station yard is improved, the construction period is shortened, and the construction investmentis reduced.

Description

technical field [0001] The invention relates to the technical field of oil and gas gathering and transportation in low-permeability oil and gas fields, and is mainly applicable to a high gas-oil ratio block oil and gas transportation device and method. process method. Background technique [0002] With the large-scale development of oil and gas fields, the output of oil wells is accompanied by a large amount of oilfield associated gas. Due to the geological conditions of the reservoir and the constraints of the topography, the crude oil with high gas-oil ratio is prone to slug flow during the transportation process and is easy to run for a long time. The oil pump is damaged, and the amount of dissolved gas in crude oil is large. The separated associated gas is usually used as fuel for the heating furnace in the station. The high liquid content of the separated associated gas will easily cause the heating furnace to shut down, thereby affecting the transmission efficiency and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D1/00F17D3/18F17D3/01F17D5/00
CPCF17D1/005F17D3/01F17D3/18F17D5/00
Inventor 冯宇姬蕊林罡郭刚王辉曾继磊林辉张佳
Owner XIAN CHANGQING TECH ENG
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