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Palm oil based pipe free agent and preparation method thereof

An oil-based anti-jamming agent, palm technology, applied in the direction of chemical instruments and methods, drilling compositions, etc., to achieve the effects of reducing time required, improving drilling efficiency, and reducing pollution

Inactive Publication Date: 2017-04-26
中石化石油工程技术服务有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to statistics, in some areas, the cost of dealing with differential pressure sticking accidents and related accidents is as high as 40% of the cost of the entire well

Method used

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  • Palm oil based pipe free agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: a kind of palm oil-based jam-releasing agent mentioned in the present invention and preparation method comprise the following steps:

[0025] Take 320mL of palm oil in a slurry cup, add organic soil JHA6 under stirring at a speed of 3000~4000r / min, and its mass percentage concentration is 5%, and then stir the liquid at a speed of 8000~10000r / min for 5min; then Add emulsifier span80, its mass percentage concentration is 5%, and then stir at a rate of 8000~10000r / min for 5min; then add fast penetrating agent T, its mass percentage concentration is 2%, and then add oleic acid, its mass percentage The concentration is 2%, and then stir at a rate of 8000~10000r / min for 5min; then slowly add 20mL of CaCl under stirring at a rate of 3000~4000r / min 2 (concentration 20%) aqueous solution, and finally stirred at a speed of 8000~10000r / min for 20min.

Embodiment 2

[0026] Embodiment 2: a kind of palm oil-based jam-releasing agent mentioned in the present invention and preparation method comprise the following steps:

[0027] Take 320mL of palm oil in a slurry cup, add organic soil JHA6 under stirring at a speed of 3000~4000r / min, its mass percentage concentration is 4%, and then stir the liquid at a speed of 8000~10000r / min for 5min; Under stirring at a speed of 3000~4000r / min, add fluid loss reducer with a mass percentage concentration of 1%, and then stir the liquid at a speed of 8000~10000r / min for 5 minutes; then add emulsifier dodecylbenzene Sodium sulfonate, its mass percentage concentration is 4% respectively, carry out 5min speed again and be the stirring of 8000~10000r / min; Then add fast penetrating agent T, its mass percentage concentration is 1%, then add oleic acid, its mass percentage concentration 1%, stirring at a rate of 8000~10000r / min for 5min; then slowly adding 20mL of NaCl (concentration 20%) aqueous solution under s...

Embodiment 3

[0028] Embodiment 3: a kind of palm oil-based jam-releasing agent mentioned in the present invention and preparation method comprise the following steps:

[0029] Take 320mL of palm oil in a slurry cup, add organic soil JHA6 under stirring at a speed of 3000~4000r / min, its mass percentage concentration is 6%, and then stir the liquid at a speed of 8000~10000r / min for 5min; Under stirring at a speed of 3000~4000r / min, add fluid loss reducer with a mass percentage concentration of 4%, and then stir the liquid at a speed of 8000~10000r / min for 5 minutes; then add emulsifier op-10, the The mass percentage concentration is 5% respectively, and then the speed of 5min is stirred at 8000 ~ 10000r / min; then the fast penetrating agent T is added, and its mass percentage concentration is 3%, and then oleic acid is added, and its mass percentage concentration is 3%. Then carry out stirring at a speed of 8000~10000r / min for 5min; slowly add 64mL of CaCl under stirring at a speed of 3000~40...

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Abstract

The invention relates to a palm oil based pipe free agent and a preparation method thereof. The pipe free agent is composed of the following components in parts by weight: 4 to 6 parts of organic soil, 0 to 4 parts of filtrate loss reducer, 4 to 5 parts of emulsifier, 1 to 3 parts of rapid osmotic agent, 1 to 3 parts of oleic acid, 60 to 90 parts of base oil, and 0 to 30 parts of water phase. The pipe free agent has the following advantages: (1) environment-friendly and easily available palm oil is taken as the basic liquid of the pipe free agent, the obtained palm oil based pipe free agent has an excellent pipe free performance and the pollution to the strata is reduced; (2) a rapid osmotic agent is added, the soaking time of the pipe free agent is shortened, the shortage of long soaking time of other pipe free agents is overcome, and the pipe free efficiency is higher; and (3) the used reagents are sufficient on the market, the self made reagents are easily available, the raw materials are abundant and easy to purchase, the time for the pipe free operation is reduced, and the drilling efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of oilfield chemistry, in particular to a palm oil-based jam-releasing agent and a preparation method thereof. Background technique [0002] Drill sticking refers to the situation that the drilling tool is stuck in the wellbore and cannot operate normally during the drilling construction process. It is a common accident in the drilling process. Sticking can be divided into differential pressure sticking, sand sinking sticking, sand bridge sticking, keyway sticking, well collapse sticking and other types. Differential pressure sticking, also known as mud cake sticking sticking, is the most common way of sticking in drill sticking accidents. It refers to the difference between the pressure of the drilling fluid and the formation pressure after the drill string is adhered by the filter cake of the drilling fluid. caused by stuck drill. According to statistics, in some areas, the cost of dealing with different...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K8/52C09K8/03
CPCC09K8/52C09K8/03C09K2208/02
Inventor 郭保雨徐加放柴金鹏王宝田赵红香王金利
Owner 中石化石油工程技术服务有限公司
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