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Oct 14

 What is the function of Barite for drilling fluids?

 Barite is commonly used to add weight to drilling fluid. Barite is of significance to petrophysicists because excess barite can require a correction factor in some well log measurements.

 A dense mineral, comprising barium sulfate [BaSO4]. Commonly used as a weighting agent for all types of drilling fluids, barites are mined in many areas worldwide and shipped as ore to grinding plants in strategic locations, where API specifies grinding to a particle size of 3 to74 microns. Pure barium sulfate has a specific gravity of 4.50 g/cm3, but drilling-grade barite is expected to have a specific gravity of at least 4.20 g/cm3 to meet API specifications. Contaminants in barite, such as cement, siderite, pyrrhotite, gypsum and anhydrite, can cause problems in certain mud systems and should be evaluated in any quality assurance program for drilling-mud additives.

barite recovery equipment

barite recovery equipment

 Since barite is essential for drilling fluids, how to recovery it to re-use become particular important. The most effective equipments for barite recovery is GN high speed decanting centrifuge.

 Specification of GN high speed decanting centrifuge for barite recovery

 Main motor: 50HP

Back drive motor: 10HP

Control method: manual control by electric motor

Bowl size: 14’ x 49.5’ (355x1250mm)

Housing (top & bottom casings): SS304

Treating capacity: 40m3/h( 176GPM)

Speed: 0~3200rpm

Separation point: 2μm

Main bearing: FAG

Screw propeller & Solids Discharge material: SS304 coated with Tungsten Carbon Alloy Material or Ring(High Abrasion-Resistant Material)

With Frequency Converter electric control panel and feeding pump

Related barite recovery equipments:

The Barite Recover Tank was built to catch effluent off the barite recovery (first) centrifuge. The polishing (second) centrifuge would draw fluid from the bottom of the tank. This tank can be adjusted 6” vertically to allow for easy overflow fluid transfer back to the rig tank. The purpose of the Barite Recovery Tank is to prevent spills on the ground from centrifuge malfunction.

If you are interested in Barite recovery equpments, pls contact GN solids control.

written by GN Desander Desilter \\ tags: , , , , , ,

One Ping to “Barite Recovery Equipment”

  1. GN Solids Control Equipment Keep pace with Faster Drilling Says:

    […] Barite Recovery. […]

One Response to “Barite Recovery Equipment”

  1. 1. Maisha Wiese Says:

    Thanks for the good post, I was searching for information such as this, going to visit the other blog posts.

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