Technical petroleum proppant

Release time: 2022-12-21

1940 The fracturing operation test without proppant stopped quickly due to poor benefit.

In early 1950, quartz sand from Arkansas River and "White" quartz sand from Saint Peter Formation in Ottawa, Illinois Island were used for fracturing construction.

1958 "Brown" quartz sand from Hickory sandstone near Brady was used. 1960 Glass Beads, Plastic Beads, Walnut Shells - An attempt at a single layer sanding design failed due to settlement, embedment, and stress concentration (soluble proppant spacer).

1970-1975 Curable resin coated quartz sand.

1979 The first commercial ceramsite proppant.

1980-1982 Pre cured resin coated quartz sand.

1985 Low density ceramsite, porous proppant with additives; For example, inhibitors used to prevent scaling are added to improve the strength and narrow the particle size distribution range of some ceramsite products. 2002 Very low density ceramsite proppant was successful.

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$Research status and progress of functional fracturing proppant used in oil and gas development (I)$

Research status and progress of functional fracturing proppant used in oil and gas development (I)

When oil and gas are exploited in deep wells, after fracturing treatment of high closing pressure and low permeability deposits, the oil and gas bearing strata will split, and oil and gas will flow out of the channel formed by the fractures. At this time, fluid needs to be injected into the rock base to exceed the pressure of the formation fracture strength, so that the surrounding rock layer around the wellbore will produce fractures, forming a channel with high flow capacity. In order to keep the fractures formed after fracturing open, oil and gas products can pass through smoothly. With the high pressure solution, the oil proppant is used to enter the formation and fill in the rock fractures, which plays a role in supporting the fractures not to be closed due to stress release, thus maintaining high conductivity, making oil and gas unblocked and increasing production.

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