Drilling Fluid Management & Disposal
Drilling fluid waste management and solids control of drilling mud related technical and developed situation.
Shale shaker is the main solids removal equipment. Today, offshore and onshore drilling projects where more effective fluids/solids separation is required in addition to the reduction of costs related to shale shakers performance.
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The decanting centrifuge is used in weighted mud applications to recover valuable weighting material from mud which must be discharged due to unacceptable colloidal solids content. The decanter centrifuge settles out barite and coarse drilled solids which are returned to the active mud system to maintain density. The relatively clean centrate containing liquid and colloidal solids is discarded. These colloidal solids cause many drilling fluid problems, such as high surge/swab pressures and ECDs, differential sticking, and high chemical costs. Usually, the value of the weighting agent in these mud systems makes it economic to recover the weighting agent from the whole mud before it is discarded. Fig. 1 gives an example of the economics of centrifuging weighted muds.
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Mud treatment and mixing equipment mainly contain: agitator, mud gun and hopper. They assist solids control equipment deal with mud from drilling hole and add chemical materials in mud.
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Mud gas separators or poor boy degassers connected with flare ignition device are eliminate gas from driling processing.
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