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A curing agent for making bricks after water-based drilling cuttings are cured and its preparation method and application

A technology of curing agent and drilling cuttings, which is applied in the field of curing agent and its preparation for brick making after water-based drilling cuttings are solidified. It can solve the problems of excessive moisture content, cracking of bricks, and bonding of raw materials, so as to speed up the reduction and reduce adsorption. Effect of saving water and heat demand

Active Publication Date: 2020-10-30
四川颐千石油工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0013] The purpose of the present invention is to provide a curing agent for making bricks after solidification of water-based drilling cuttings and its preparation method and application. The curing agent can effectively solve the problems of brick body cracking, raw material bonding, and moisture content exceeding the standard.

Method used

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  • A curing agent for making bricks after water-based drilling cuttings are cured and its preparation method and application
  • A curing agent for making bricks after water-based drilling cuttings are cured and its preparation method and application
  • A curing agent for making bricks after water-based drilling cuttings are cured and its preparation method and application

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Embodiment 1

[0038] Embodiment 1: The solidifying agent for making bricks after the solidification of water-based drill cuttings is composed of 5% sodium dodecylsulfonate, 45% coal gangue, 7% sawdust, 40% double fast cement, and 3% sodium chloride Composition, first crush the coal gangue to less than 3mm, dry, control the moisture content <5%, and obtain the product G1; then sieve the sawdust, further pulverize the powder larger than 3mm, mix with the sieved powder, dry, control the moisture content <5% %, to obtain product G2; respectively mix sodium chloride with Shuangkuai cement, G1 and G2, and mix uniformly to obtain products G3 and G4; add sodium dodecylsulfonate to G4, and mix uniformly to obtain product G5 ; Mix G3 and G5 to obtain the target product.

Embodiment 2

[0039] Embodiment 2: the solidifying agent for making bricks after water-based drilling cuttings is solidified consists of 2% sodium dodecyl sulfonate, 40% coal gangue, 5% sawdust, 50% double fast cement, 3% sodium chloride Composition, first crush the coal gangue to less than 3mm, dry, control the moisture content <5%, and obtain product G1; then sieve the sawdust, further pulverize the powder larger than 3mm, mix with the sieved powder, dry, control the moisture content <5% %, to obtain product G2; respectively mix sodium chloride with Shuangkuai cement, G1 and G2, and mix uniformly to obtain products G3 and G4; add sodium dodecylsulfonate to G4, and mix uniformly to obtain product G5 ; Mix G3 and G5 to obtain the target product.

Embodiment 3

[0040] Embodiment 3: the solidifying agent for making bricks after the solidification of water-based drill cuttings is composed of 5% sodium dodecyl sulfonate, 40% coal gangue, 10% sawdust, 40% double fast cement, and 5% aluminum chloride Composition, first crush the coal gangue to less than 3mm, dry, control the moisture content <5%, and obtain product G1; then sieve the sawdust, further pulverize the powder larger than 3mm, mix with the sieved powder, dry, control the moisture content <5% %, to obtain product G2; respectively mix aluminum chloride with Shuangkuai cement, G1 and G2, and mix uniformly to obtain products G3 and G4; add sodium dodecylsulfonate to G4, and mix uniformly to obtain product G5 ; Mix G3 and G5 to obtain the target product.

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Abstract

The invention provides a curing agent for making bricks after curing water-based drilling cuttings as well as a preparation method and application of curing agent. The invention relates to the technical field of environment-friendly treating of oil field water-based drilling cuttings. The curing agent comprises 2%-5% of a solid surfactant, 30%-50% of industrial waste residues, 30%-50% of cement, 5%-10% of plant shell and 3%-5% of inorganic salt. According to the curing agent, the industrial waste residues such as coal gangue and the like are used, waste is treated with waste, the plant shell and the solid surfactant are introduced, the problems that the sintered brick prepared from the cured water-based drilling cuttings is prone to crisping, high in moisture content, adhesive and the likeare solved, the cured water-based drilling cuttings can be recycled to be used for preparing the sintered brick, and the practical value and the popularization prospect are achieved.

Description

technical field [0001] The invention relates to the technical field of oil field water-based drilling cuttings environmental protection treatment, in particular to a curing agent for making bricks after water-based drilling cuttings are cured, a preparation method and application thereof. Background technique [0002] Water-based cuttings are wastes that must be produced during the use of water-based drilling fluids. According to the gelation mechanism of drilling fluids, clay minerals are replaced by crystal lattices, making the surface negatively charged. Under alkaline conditions, the surface of clay is easy to form water. Chemical film, under the action of electrostatic repulsion, clay particles and aqueous solution form a stable colloidal dispersion system; polymer materials (such as KPAM, CMC, SMP, etc.) ionize into negatively charged groups in water. Stretching is beneficial for them to form a stable drilling fluid colloid together with clay and water. Therefore, wat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/63
CPCC04B35/6303
Inventor 任家川黄世东
Owner 四川颐千石油工程有限公司
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