Solids control mud tanks

Solids control mud tanks are the tools to holding drilling fluids/mud for well drilling. You may tell “mud tanks are simple items everyone know well about it”. Please comment after you reading this post

Solids control mud tanks previous form

Long time ago, mud tanks did not exist but only mud pits. Drilling fluid maintenance cost, clean up & disposal cost as well as the over all cost of boring, can be reduced dramatically when proper solids control techniques are utilized. These facts were recognized in the oil industry in the late 1800’s.

Solids control mud tanks

Solids control mud tanks

When open earthen pits we used to separate the cuttings from the borehole. This was accomplished by a series of weirs and settling pits that allowed the solids to naturally settle out by using gravity. The clean mud then flowed into a suction pit to be re-pumped down hole. This was the first solids control technique ever used, and mud pit was the first vessel used to contain drilling fluid

By and by, people innovated tanks to load drilling mud, which provide much convenience for whole solids control even complete drilling project.

Tanks function

Solids control mud tanks are not only able to provide the space to contain the drilling fluids but also hold equipment on tanks surface. Different compartment under equipment will definitely lead different effect and critical function. Including the precipitation, mixing, storage, etc.

Mud tanks configuration

Mud system difference leads various solids control mud tanks configuration. There are many ways to configure your mud tanks below your solids control equipment. The most common practice requires three sections. Under your shale shaker you have the first section known as the sand trap where the mud to be pumped from this section goes through your Desander. This cleaned mud is then dumped into the second section known as a silt tank. The mud is picked up then pumped through your Desilters. The Desilters dumps the cleaned mud into the third section, know as the clean mud or mixing tank. This will be picked up by  the pump to be pumped back into your bore hole.

Combination Desanders/Desilters are common when the volume being pumped is under 500 GPM. The tank separation in this application can be achieved with two sections in the mud tank. A clean section where mud to be mixed and pumped down hole is located. The second section is under the shale shaker where the contaminated mud is picked up and processed by the Desander/Desilter combination

Besides above configuration, the difference also reflects on mud tanks shape. Such as the rectangular tank, circle tank, etc. The tanks frame or base design including skid mounted, trailer mounted, etc.


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