High-temperature-resistant lubricating material for water-based drilling fluid and preparation method of high-temperature-resistant lubricating material

A technology of water-based drilling fluid and lubricating material, applied in the field of drilling, can solve the problems of failure of lubricating boundary film, poor anti-high temperature effect, decreased lubricating effect, etc., and achieve the effects of easy maintenance, improved temperature resistance effect, and good salt resistance performance.

Pending Publication Date: 2020-06-05
天津萨恩斯石油技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the currently used drilling fluid has a poor use effect and poor high temperature resistance, which can easily lead to

Method used

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  • High-temperature-resistant lubricating material for water-based drilling fluid and preparation method of high-temperature-resistant lubricating material

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0024] Example 1;

[0025] See figure 1 , The present invention provides a technical solution:

[0026] A high temperature resistant lubricating material formulation for water-based drilling fluids, which is characterized in that: the prepared materials include sulfonated cottonseed oil, graphite, lignite resin, iron chromium lignosulfonate, petroleum sodium sulfonate, aluminum nitride Powder, caustic soda.

[0027] A method for preparing high-temperature resistant lubricating material for water-based drilling fluid, the specific steps are as follows:

[0028] The first step, ingredients: liquid material: the prepared materials are 100 grams of sulfonated cottonseed oil, 50 grams of graphite, 40 grams of brown coal resin, 10 grams of iron chromium lignosulfonate, 50 grams of sodium petroleum sulfonate, and nitriding 150 grams of aluminum, 100 grams of caustic soda, 1000 grams of water;

[0029] The second step, crushing material: grinding 50 grams of graphite and 150 grams of aluminu...

Example Embodiment

[0038] Example 2;

[0039] See figure 1 , The present invention provides a technical solution:

[0040] A high temperature resistant lubricating material formulation for water-based drilling fluids, which is characterized in that: the prepared materials include sulfonated cottonseed oil, graphite, lignite resin, iron chromium lignosulfonate, petroleum sodium sulfonate, aluminum nitride Powder, caustic soda.

[0041] A method for preparing high-temperature resistant lubricating material for water-based drilling fluid, the specific steps are as follows:

[0042] The first step, ingredients: liquid material: the prepared materials are 100 grams of sulfonated cottonseed oil, 50 grams of graphite, 40 grams of brown coal resin, 10 grams of iron chromium lignosulfonate, 50 grams of sodium petroleum sulfonate, and nitriding 150 grams of aluminum, 100 grams of caustic soda, 2000 grams of water;

[0043] The second step, crushing material: grinding 50 grams of graphite and 150 grams of aluminu...

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Abstract

The invention discloses a high-temperature-resistant lubricating material for a water-based drilling fluid and a preparation method of the high-temperature-resistant lubricating material. The preparedmaterials comprise sulfonated cotton seed oil, graphite, lignite resin, iron-chromium lignosulfonate, petroleum sodium sulfonate, aluminum nitride powder, caustic soda and water. Sulfonated cotton seed oil serves as main drilling fluid and can lubricate the metal surface of the drill bit, a boundary film and a secondary structure are formed on the surface of the sulfonated cotton seed oil, the durable lubricating effect is achieved, meanwhile, aluminum nitride powder is matched to improve the heat dissipation effect of the lubricating boundary film on the surface of the drill bit, and therefore the temperature resistance effect of the device can be improved.

Description

technical field [0001] The invention relates to the technical field of drilling, in particular to a high-temperature-resistant lubricating material for water-based drilling fluid and a preparation method thereof. Background technique [0002] The work of using mechanical equipment or manpower to drill the formation into holes from the ground is called drilling. Usually refers to the exploration or development of liquid and gaseous minerals such as oil and natural gas to drill boreholes and large-diameter water supply wells. Drilling is widely used in national economic construction. [0003] At present, rotary table drilling is widely used in my country's oil (gas) fields. The main equipment includes derrick, operating platform, diesel engine, drilling rig, drilling tools, mud pump, generator, testing equipment, fuel oil tank, boiler, etc. [0004] At present, when drilling, it is often used to lubricate and protect the drill bit. Drilling fluid is a general term for vario...

Claims

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Application Information

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IPC IPC(8): C09K8/03C09K8/06C09K8/08C09K8/16C09K8/20C09K8/22
CPCC09K8/16C09K8/206C09K8/22C09K8/03C09K8/08C09K8/06C09K2208/34
Inventor 孙晓放
Owner 天津萨恩斯石油技术有限公司
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