Kill Manifold Storage Tank

Abstract

The invention relates to the field of petroleum equipment, in particular to a kill manifold liquid storage tank. The kill manifold liquid storage tank includes: a first valve group, a second valve group, a third valve group, a first liquid outlet line, a second liquid outlet line, a base, and a liquid inlet line arranged on the base and the tank body, use a crane to place the kill manifold liquid storage tank on the well site, and the operator connects the first connection port and the second connection port of the liquid inlet pipeline with the wellhead Christmas tree, and controls the flow of fluid through the first valve group or Flowing out of the liquid inlet pipeline, the second valve group controls the flow of fluid into or out of the first liquid outlet pipeline, and the third valve group controls the flow of fluid into or out of the second liquid outlet pipeline, using the first valve group, the second valve group and the third valve The operation of the group replaces the disassembly and assembly of the well control manifold, realizes workover operations in different procedures, shortens the preparation time for construction, reduces the labor intensity of operators, and reduces the workover fluid or oil pollution during the disassembly and assembly of the manifold. Environmental pollution caused by landing.

Description

technical field [0001] The invention belongs to the field of petroleum equipment, in particular to a well killing manifold liquid storage tank. Background technique [0002] In the process of killing wells in oil fields, workover is an operation of oil drilling and subsequent oil well maintenance. Maintenance and maintenance measures are taken to ensure that the oil wells can be used smoothly. In order to ensure the normal progress of workover operations, reduce blowout accidents, and prevent operational risks, workover equipment is equipped with well control devices: well control manifolds and liquid storage tanks. Among them, well control manifolds are the controls to ensure safe workover operations The liquid storage tank is the storage device for the workover fluid during the workover operation. [0003] The well control manifold and liquid storage tank in the prior art are generally set separately, and the well control manifold is set on the ground of the well site. Th...

AI Technical Summary

Problems solved by technology

[0005] In the existing technology, the well control manifold needs to be disassembled and assembled according to different operating procedures during well workover operations, especially in complex procedures such as cementing plugs, layer plugging, leak detection, and forward and reverse sand flushing. It needs to be operated separately, and one end of the pipeline in the well control manifold is connected to the tubing interface or casing interface of the wellhead Christmas tree, and the other end is connected to the liquid storage tank, and the length of the pipeline used to connect the tubing and casing is different. During the process, it is necessary to disassemble and assemble the well control manifold multiple times. The construction personnel have long operating hours, high labor intensity, and low operating efficiency. During the replacement process, sewage is prone to fall to the ground, causing environmental pollution. Disassembly and assembly under pressure in the well increases the operational risk of wellhead operators

Images