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Application of High Temperature Cement Slurry Technology in Well Ma Shen 1

The high-temperature and ultra-high-temperature cement slurry technology of Sichuan Hongsheng Petroleum Engineering Technology Service Co., Ltd. has been applied in deep and ultra-deep wells in northeastern Sichuan for a long time. The technology has been continuously improved and the level has been continuously improved. With the current technical level, it can fully undertake the cement slurry technology service required under the ultra-high temperature condition of 180~200 ℃.

2016

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Horizontal well oil-based mud cementing fluid technology

Difficulties: high oil content; casing not centered; large scale fracturing.

2015

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High temperature resistant admixture products

High temperature resistant water loss reducing agent BS100L-G: AMPS type water loss reducing agent with special functional groups. At present, there are two main categories commonly used in China, cellulose and AMPS. Cellulose has poor temperature resistance, AMPS has certain temperature resistance, but the thermal dilution phenomenon is obvious (the sedimentation stability of cement slurry becomes worse, the water loss becomes larger, the thickening time becomes longer, etc.).

2015

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Salt-resistant cement slurry system

Salt-resistant cement slurry mainly adopts salt-resistant water loss reducer and salt-resistant retarder independently developed by our company, which can make the cement slurry achieve better comprehensive performance in saturated brine or semi-saturated brine system, with low free liquid, easy control of water loss, easy control of thickening time and rapid development of strength.

2015

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Leak-proof and plugging cement slurry system

The leak-proof and plugging effect of the leak-proof cement slurry system is based on the principle of mutual filling of solid particles of different sizes and different types of fibers in the leak-proof fiber. When the cement slurry enters the leakage layer, it can form a "filter structure" to increase the flow resistance of the cement slurry. With the help of the hydration and gelation of the cement slurry and the filling of cement particles, the leakage plugging and the bearing capacity of the formation can be improved. There are two types of plugging fibers currently used, one is glass fiber and the other is polymer fiber.

2015

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High density cement slurry system

High density cement slurry system is based on the principle of particle gradation, preferably a certain density and particle size of the weighting material, can be prepared according to the requirements of the density of 2.0-2.8g/cm3 of cement slurry, applicable temperature range of 20-180 ℃.

2015

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Low density high strength cement slurry system

The low density and high strength cement slurry is mainly based on the principle of particle gradation, and the external admixture and admixture are preferred. The low density cement slurry with a density of 1.10-1.70g/cm3 can be prepared according to the requirements. The cement slurry has excellent comprehensive performance, low crushing rate, low free liquid, easy control of water loss, short transition time, uniform and dense cement stone without shrinkage, and high top strength.

2015

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Latex anti-channeling cement slurry system

Latex cement slurry has the advantages of low permeability (low water loss, low free water, anti-channeling), high temperature resistance, corrosion resistance, etc., and is suitable for deep well gas well cementing. The latex anti-channeling cement slurry system developed by our company has been widely used in the cementing of deep high-temperature and high-sulfur gas wells in northeast Sichuan.

2015

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Technical indexes of cementing slurry obtained

Among the 339.7mm surface cementing slurry technical services completed, the deepest casing is well MASHAI 1, with a depth of 4292.54m.

2015

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Application of Horizontal Well Cementing Slurry Technology in Western Sichuan

Since the beginning of this year, a large number of horizontal wells have been launched in western Sichuan. The main characteristics of horizontal wells in western Sichuan are:

2015

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