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Circulating water tank used for washing logging rock debris

A technology of circulating water tanks and cuttings, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve problems such as difficult to meet the technical requirements of mud logging site, waste of water resources, etc. , achieve the effect of breaking through the structure and working principle, improving the utilization rate, and being easy to use

Inactive Publication Date: 2015-10-28
XI'AN PETROLEUM UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the sewage cannot be recycled, it will cause a great waste of water resources
The current water utilization methods have been difficult to meet the technical requirements of the mud logging site, and there is an urgent need for sewage recycling equipment

Method used

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  • Circulating water tank used for washing logging rock debris
  • Circulating water tank used for washing logging rock debris
  • Circulating water tank used for washing logging rock debris

Examples

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Embodiment Construction

[0028] The implementation of the present invention will be described in detail below in conjunction with the drawings and examples.

[0029] like figure 1 As shown, a circulating water tank for mud logging cuttings cleaning includes a sewage chamber 4 and a clean water chamber 26. Sewage chamber 4 has four vertical partitions built in, which are partition one 5, partition two 6, partition three 7 and partition four 8, partition one 5 and partition three 7 The bottom of the partition plate 2 6 and the top of the partition plate 4 8 are suspended in the air, the channel formed by the top suspension is much smaller than the channel formed by the bottom suspension, and the upper part of the partition plate 2 6 is provided with a water hole 1h, divided The upper part of the partition 4 8 has a water hole 2 i, the sewage inlet 3 is located on the upper part of the sewage chamber 4, and the sewage inlet 3 is provided with a flocculant, demulsifier automatic adding device 1 and a reg...

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Abstract

A circulating water tank used for washing logging rock debris comprises a sewage cavity and a clean water cavity. A plurality of vertical partition plates are arranged in the sewage cavity. Holes are formed in the tops and the bottoms of the adjacent partition plates alternately, and therefore sewage can flow forwards in the sewage cavity in a buckling mode under the action of the partition plates; the diameter of the holes formed in the bottoms is far larger than that of the holes formed in the tops; a natural sedimentation area is formed between every two adjacent partition plates; the top of the partition plate at the tail end of sewage flow is provided with the corresponding hole; after being sequentially subjected to natural sedimentation in the multiple natural sedimentation areas, the sewage enters the clean water cavity through the hole formed in the top of the partition plate at the tail end; the bottom of the sewage cavity and the bottom of the clean water cavity are both connected with a slag removing device. According to the circulating water tank, by means of the multi-stage natural sedimentation of the sewage cavity and the functions of adsorption of flocculating agents, demulsifying agents and floating oil to felt, the sewage can be cyclically used after being subjected to sedimentation stage by stage, and the utilization rate of water is greatly increased.

Description

technical field [0001] The invention belongs to the field of mud logging and mud logging technology, and in particular relates to a circulating water tank for cleaning mud logging cuttings. Background technique [0002] The cuttings produced in the mud logging process are important information for understanding the formation and an important basis for discovering and evaluating oil and gas layers. When mud logging cuttings are brought up from downhole by mud, they contain a lot of mud and impurities, so they must be cleaned to get clean cuttings. At present, my country's petroleum industry has been relying on manual cleaning of cuttings. After washing, the sewage will be drained directly, and the sewage cannot be recycled. For every meter drilled by the drilling rig, a sand sample needs to be cleaned and preserved, and the whole process requires a lot of water. If the sewage cannot be recycled, it will cause a great waste of water resources. The current water utilization ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/04
Inventor 董鹏敏李晓辉肖艳鹏路丹妮田威陈涛王水航
Owner XI'AN PETROLEUM UNIVERSITY
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