Unlock instant, AI-driven research and patent intelligence for your innovation.

Water injection well on-line profile control agent prepared from oil field sewage treatment waste residues

A technology of oilfield sewage and profile control agent, which is applied in the direction of drilling composition, chemical instruments and methods, etc., can solve the problems of environmental damage and scaling, and achieve the effect of strong consolidation ability and good suspension

Inactive Publication Date: 2013-01-02
曾琛
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But now with the increase of water consumption, the water contains a large amount of calcium ions, magnesium ions, bicarbonate ions and other inorganic ions that can corrode the water injection pipes and cause scaling. In addition, these inorganic ions will decrease during the preparation of the polymer solution. The viscosity and activity of the polymer, therefore, it is necessary to treat this kind of sewage to reduce the content of inorganic ions in the water and improve its water quality
However, in the process of water treatment, a large amount of mud and sand are produced, which occupy a large amount of land for storage, and at the same time cause damage to the environment due to the chemical substances such as oil, so it is of great economic benefit and environmental benefits

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment

[0024] The present invention will be further described below in conjunction with the examples, but the protection scope of the present invention is not limited thereto.

[0025] The raw materials used in the examples are commercially available products unless otherwise specified.

Embodiment 1

[0027] Weigh 100g of silt produced by water treatment, add 0.1g of magnesium oxide (cementation accelerator), 1g of sodium dodecylbenzenesulfonate (emulsifier), 0.5g of sodium polymethacrylate (suspension agent), 0.5g of amine-propyl Base triethoxysilane (strengthening agent), the cement is Portland cement 52.5R of Shanshui Group, the amount of cement is variable, after mixing evenly, add it to 900g of water, precipitate, consolidate, and test the strength.

[0028] Cement dosage / g

Embodiment 2

[0030] Weigh 100g of mud sand produced by water treatment, 20g of Portland cement 52.5R of Shanshui Group, 1g sodium dodecylbenzenesulfonate (emulsifier), 0.5g sodium polymethacrylate (suspending agent), 0.5g amine Propyltriethoxysilane (reinforcing agent), add variable amounts of calcium sulfate (cementation accelerator), mix well and add to 900g water, precipitate, consolidate, and test the strength.

[0031] Calcium sulfate dosage / g

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a water injection well on-line profile control agent prepared from oil field sewage treatment waste residues and belongs to the technical field of oil field chemical industry. The water injection well on-line profile control agent prepared from the oil field sewage treatment waste residues comprises the following components in part by weight: 100 parts of sand, 15 to 30 parts of cement, 0.1 to 0.3 part of adhesion accelerator, 1 to 3 parts of emulsifying agent, 0.5 to 0.8 part of suspending agent and 0.5 to 2 parts of reinforcing agent. By the water injection well on-line profile control agent prepared from the oil field sewage treatment waste residues, the discharging amount of the sand from the oil field is reduced; oil production efficiency is improved; environment is protected; and water treatment basically reach zero pollution.

Description

technical field [0001] The invention relates to an online profile control agent for water injection wells prepared by using oilfield sewage treatment waste residue, and belongs to the technical field of oilfield chemical industry. Background technique [0002] With the development of my country's oil wells and the exploitation of oil, my country's oil exploitation has entered the stage of high water and low oil. Now oil wells produce a large amount of sewage. Generally, the mud, sand and polymer in these sewage are settled and separated, and then It is injected back into the oil well as injection water and used to prepare a polymer solution and then injected into the oil well so that it can be effectively utilized to achieve the purpose of saving water and realizing resource utilization. But now with the increase of water consumption, the water contains a large amount of calcium ions, magnesium ions, bicarbonate ions and other inorganic ions that can corrode the water injecti...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C09K8/467
Inventor 曾琛
Owner 曾琛