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Low shearing plunger type throttling valve used for oil production gathering and transporting

A technology of oil exploitation and low shear, which is applied in safety valves, balance valves, valve devices, etc., can solve the problems that cannot be used for reference, etc., to increase the dissipation volume of turbulent energy, promote coalescence, and enhance the effect of swirling flow Effect

Inactive Publication Date: 2017-02-22
BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is obvious that there is an essential difference between avoiding the shearing chain breaking effect of the polymer solution and avoiding the shearing fragmentation effect of the oil-water mixture involved in the above-mentioned patents, which cannot be used for reference.

Method used

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  • Low shearing plunger type throttling valve used for oil production gathering and transporting
  • Low shearing plunger type throttling valve used for oil production gathering and transporting
  • Low shearing plunger type throttling valve used for oil production gathering and transporting

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Embodiment Construction

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0019] Embodiments of the present invention provide a low-shear plunger-type throttle valve for petroleum exploration, collection and transportation, such as figure 1 As shown, it mainly includes: valve body 1, cone end cover 2, streamline cone 3, bonnet 4, valve stem 5, packing gland 6, piston rod sleeve 7, piston rod 8, valve cage 9, rotary Flow chamber 10 and piston 11;

[0020] From the perspective of functional division, the entire valve can ...

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Abstract

The invention discloses a low shearing plunger type throttling valve used for oil production gathering and transporting. Based on a rotational flow agglomeration and unit mass energy dissipation rate control technology, orifices of a valve cage are designed to be in the tangential direction, a rotational flow chamber which is converged firstly and expanded afterwards is connected behind the orifices, the basic function of flow and pressure adjustment can be achieved on the plunger type throttling valve, meanwhile, the velocity gradient and the turbulence energy dissipation rate in a flow field are reduced, the shearing force of the orifices for fluid is reduced, the liquid drop breaking degree is lowered, and the subsequent oil water separation difficulty is lowered.

Description

technical field [0001] The invention relates to the field of crude oil exploration, collection and transportation; in particular, it relates to a low-shear plunger-type throttle valve for petroleum exploration, collection and transportation. Background technique [0002] With the continuous development of social economy, energy consumption will increase. In the next 20 years, oil-based traditional fossil energy will still dominate, and the world's major oil companies have to continue to increase their efforts in oil exploration and development. With the gradual increase of production time, the water content in the oil well production fluid of major oilfields is also gradually increasing. At present, the average water content of oil well production fluid in the world has exceeded 80%, and some have even exceeded 95%. The substantial increase in water produced by oil wells has brought a great impact on the oil and gas gathering and transportation process, especially increasin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K17/20
CPCF16K17/20
Inventor 陈家庆程玉雪王仕成蔡小垒张振涛姬宜朋
Owner BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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