us patent for fluid loss additive package for shallow well
us patent for fluid loss additive package for shallow well
us patent for fluid loss additive package for shallow well
us patent for fluid loss additive package for shallow well
us patent for fluid loss additive package for shallow well
wo2016073004a1 - fluid loss additive package for shallow well

WO2016073004A1 - Fluid loss additive package for shallow well

A wellbore treatment fluid comprising: a base fluid; and a fluid loss additive package, the fluid loss additive package comprising: a water-swellable, superabsorbent polymer; a derivatized cellulose; and non-swellable particles that are insoluble in the base fluid.

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gb2544443b - fluid loss additive package for shallow well

GB2544443B - Fluid loss additive package for shallow well

fluid loss drilling fluids well drilling additive package shallow well Prior art date 2014-11-07 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active Application number GB1703845.6A Other versions

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us7256159b2 - fluid loss reducer for high temperature high

US7256159B2 - Fluid loss reducer for high temperature high

Fluid loss additive for water based drilling fluids with improved thermal stability. US10428259B2 (en) 2015-04-10: 2019-10-01: Halliburton Energy Services, Inc. Downhole fluids and methods of use thereof CA2980131A1 (en) * 2015-05-20: 2016-11-24: Halliburton Energy Services, Inc.

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us patent application for drilling fluid, drill-in fluid

US Patent Application for DRILLING FLUID, DRILL-IN FLUID

The method of claim 36, wherein said additive package results in reduced fluid losses to a formation compared to an additive package free fluid; where reduced fluid loss is demonstrated by decreased HPHT loss, decreased fluid loss in a PPT experiment, or a combination thereof, measured via procedures recommended by the applicable standards of

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fluid loss agents for oil well cementing composition - osti.gov

Fluid loss agents for oil well cementing composition - OSTI.GOV

This patent describes a method of cementing a conduit in a borehole penetrating an earthen formation by introducing a cementing composition into the space. The cementing composition comprises: water; hydraulic cement; a water dispersible fluid loss additive comprised of a terpolymer of (1) from about 10 to about 75 weight percent of an acid

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fluid loss control additives for oil well cementing compositions

Fluid loss control additives for oil well cementing compositions

This patent describes a cementing composition useful in cementing oil, gas and water wells. It comprises hydraulic cement; and a fluid loss additive in an amount effective to reduce fluid loss, the fluid loss additive comprised of a copolymer of acrylamide monomer and vinyl formamide monomer and derivatives thereof in a weight percent ratio of

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us patent application for lubricant additives for water based

US Patent Application for LUBRICANT ADDITIVES FOR WATER BASED

The present invention further envisages a water-based drilling fluid having lubricating properties and made up of water, viscosifiers, weighing agents, fluid loss control agents, calcium ions and the powdered lubricant additive of the present invention in concentrations of about 0.25% to about 5% weight/volume of drilling fluid.

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diluent oils for viscosity modifiers and additive packages

Diluent oils for viscosity modifiers and additive packages

In at least one embodiment, a method of forming an additive package concentrate can include selecting one or more additives for the additive package concentrate; selecting a diluent oil to combine with the one or more additives based on Equation 2 and Equation 3; and introducing the one or more additives to the diluent oil to form the additive package concentrate.

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fluid loss additives for oil base muds and low fluid loss

Fluid loss additives for oil base muds and low fluid loss

@article{osti_6904230, title = {Fluid loss additives for oil base muds and low fluid loss compositions thereof}, author = {Patel, A D and Salandanan, C S}, abstractNote = {This patent describes an oil base drilling mud formulation comprising a petroleum oil, an emulsifier, a water soluble salt, a gelling agent, a weighting agent and a quebracho ammonium salt reaction product of quebracho with

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temperature- and salt-resistant micro-crosslinked

Temperature- and Salt-Resistant Micro-Crosslinked

The ?uid loss control agent adsorbed on the surface of the bentonite would prevent the aggregation of bentonite particles and control the particle size distribution of the drilling ?uid, thus forming a thin and tough mud cake on the wellbore and reducing the water loss [19,20]. Currently, commonly used ?uid loss additives can be divided

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