Method of processing drilling mud in earth-boring operations

Details Method of processing drilling mud in earth-boring operations Method of processing drilling mud in earth-boring operations

1992-04-06

1994-07-19

Dang, Hoang C.

Boring or penetrating the earth

Processes

Boring with specific fluid

175205, 175207, 175212, 210747, 210758, 405128, E21B 2106

Patent

active

053300173

ABSTRACT:
A method and associated apparatus are provided for processing the drilling mud used to flush cuttings from the bore hole while maintaining control of bore hole pressure. Air is injected into the lower regions of drilling mud in the working pits to agitate the drilling fluids and thus maintain particulate additives in suspension while simultaneously facilitating the settling of larger cuttings from the earth formations. Air is also injected into the bottom of the drilling mud and other waste fluids which are placed into the discard pit to evaporate the water and thereby accelerate consolidation or ultimate drying of the drilling mud for final disposal. This can be done as required during the drilling operation so that the consolidated or dried drilling mud can then be more easily and economically handled for transport to a hazardous waste disposal site, or can be more easily covered with earth while remaining in the discard pit.

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patent: 5133876 (1992-07-01), Tharp

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