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Liquid CO2 loading and unloading truck integrated device and application method thereof

An integrated device and application method technology, which is applied in the direction of gas/liquid distribution and storage, pipeline systems, mechanical equipment, etc., can solve the problems that the transfer pipeline cannot be relocated as a whole, the construction period of the transfer pipeline is long, and the project investment is large, so as to achieve convenience Effects of equipment maintenance, shortened construction period, and reliable operation

Pending Publication Date: 2019-10-01
XIAN CHANGQING TECH ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present invention provides a liquid CO 2 The integrated device for loading and unloading trucks and its application method, the purpose of which is to solve the existing CO 2 Tank car and CO 2 Between storage tanks, CO 2 Tanks and CO 2 CO transfer between storage tanks 2 At the same time, the transfer pipeline construction period is long and cannot be reused; the second purpose is to solve the problems that the transfer pipeline cannot be relocated as a whole, the workload of dismantling is large, and the project investment is large

Method used

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  • Liquid CO2 loading and unloading truck integrated device and application method thereof
  • Liquid CO2 loading and unloading truck integrated device and application method thereof
  • Liquid CO2 loading and unloading truck integrated device and application method thereof

Examples

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Effect test

no. 1 approach

[0050] refer to figure 1 , this embodiment discloses a liquid CO 2 An integrated device for loading and unloading vehicles, which includes a first liquid phase line 1, and one end of the first liquid phase line 1 is used to connect CO 2 The liquid phase end 31 of the tanker is connected to the first ball valve 2 at the other end. The first ball valve 2 is connected to the second ball valve 5 through a pipeline. The second ball valve 5 is connected to the inlet of the loading and unloading pump 7 through the loading and unloading pump liquid inlet pipeline 6. The outlet of the pump 7 is connected to the third ball valve 11 through the loading and unloading truck pump liquid pipeline 8, the third ball valve 11 is connected to one end of the second liquid phase pipeline 12, and the other end of the second liquid phase pipeline 12 is connected to CO 2 Tank A28;

[0051] The second liquid phase line 12 and the loading and unloading truck pump liquid inlet line 6 are connected thr...

no. 2 approach

[0065] On the basis of the first embodiment, the skid base 27 of this embodiment is also skid-mounted with a third liquid phase pipeline 17 , one end of the third liquid phase pipeline 17 is connected to the second branch pipeline 33 , and the other end is connected to the skid base 27 outside CO 2 In the storage tank B29, the third liquid phase line 17 is connected in series with the sixth ball valve 15 and the seventh ball valve 16, and the sixth ball valve 15 is close to the fifth ball valve 14.

[0066]Different from the first embodiment, this embodiment can not only realize the liquid CO 2 Tanker unloading to liquid CO 2 storage tank, liquid CO 2 Tank unloading to liquid CO 2 tanker, can also realize two liquid CO at the same time 2 Pour tanks between tanks, refer to image 3 , if two liquid CO 2 The pressure difference between the storage tanks is less than 1.0Mpa, and the steps of pouring the tanks include:

[0067] Open all valves on the second liquid phase pipe...

no. 3 approach

[0074] On the basis of the second embodiment, liquid CO 2 The integrated device for loading and unloading vehicles also includes a venting pipeline 26 skid-mounted on the skid base 27. One end of the venting pipeline 26 extends out of the skid base 27 for venting, and the other end is connected to two pipelines, which are branch pipelines 34 and 34 respectively. The fourth branch line 35 and the third branch line 34 are connected to the pipeline between the first ball valve 2 and the second ball valve 5 through the eleventh ball valve 25 , the tenth ball valve 24 is connected in series on the branch line four 35 , and the branch line four 35 is far away The end of the venting line 26 is connected with two gas-phase pipelines, namely the first gas-phase pipeline 18 and the second gas-phase pipeline 23, and the first gas-phase pipeline 18 is connected to CO through the eighth ball valve 19. 2 The gas phase end 30 of the tank car, the second gas phase pipeline 23 is connected to ...

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Abstract

The invention discloses a liquid CO2 loading and unloading truck integrated device and an application method thereof. The liquid phase CO2 loading and unloading truck integrated device is characterized in that a liquid phase pipeline, a gas phase pipeline, an emptying pipe, a loading and unloading truck pump integrated skid are mounted on a skid base, so that the integral movement, the repeated utilization and the rapid installation are realized, the construction period is shortened, the occupied area is reduced, and the engineering investment is reduced. Particularly, when a storage tank andthe loading and unloading truck pump are in an accident state, the storage tank can be mutually switched with the other device, the replacement between the storage tank and the loading and unloading truck pump is realized, and safe operation of equipment facilities is achieved.

Description

technical field [0001] The invention belongs to the field of oilfield ground engineering, in particular to a liquid CO 2 An integrated device for loading and unloading vehicles and an application method thereof. Background technique [0002] At present, most of the water-flooding reservoirs have entered the middle and late stages of development, with high water content and low water-flooding control. CO 2 As an effective enhanced oil recovery technology, oil flooding technology has been experimentally developed on a small scale in some oilfields and achieved good development results. [0003] CO 2 EOR technology is to inject CO into the formation 2 , so that it can fully react under reservoir conditions to release gas, dissolve in crude oil, reduce the viscosity of crude oil, and expand the volume of crude oil, so as to achieve the purpose of improving crude oil recovery. [0004] Currently, CO 2 Liquid CO is used in the field test of oil displacement technology in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D1/08F17D1/14F17D1/04F17D3/01F17D5/02
CPCF17D1/082F17D1/14F17D1/04F17D3/01F17D5/02
Inventor 赵大庆王潜忠郭志强商永滨高飞李刚张凤喜李熊林罗政权董巍李言王瑞英
Owner XIAN CHANGQING TECH ENG
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