摘要:
A cement slurry composition, containing hydraulic cement, water, and from 1 to less than 4% of an organically modified nanoclay. A method for cementing a high pressure high temperature well by pumping the cement composition of claim 1 between a casing and a formation of a well bore to fill a gap between the casing and the formation, and allowing the cement to harden.
摘要:
A method for use within a subterranean formation penetrated by a wellbore includes introducing a thixotropic agent into the well and introducing a cement slurry into the well. The method includes forming a thixotropic cement slurry downhole, including mixing the cement slurry and the thixotropic agent downhole.
摘要:
The quantity of dust generated by a sandable wall repair compound is reduced by adding a dust reducing additive to the compound. Dust reducing additives include oil, wax, and mixtures thereof. Dust reducing additives containing oil may include rheological and polar additives to minimize the bleeding of the oil into substrates to which the wall repair compound is applied.
摘要:
This invention provides a water-free oil based fluid polymer suspension composition for use as a rheology modifier and fluid loss reducer in oil or gas well servicing fluids. It has been found that by using white medicinal oil as a carrier, high solids content and environmental friendly anhydrous fluidized polymer suspensions of xanthan gum, cellulose ethers, guar gum and derivatives thereof can be prepared. More specifically, in one aspect, an oil-based fluid polymer suspension (FPS) composition for use in oil or gas well servicing fluids is preferred containing: a) a hydrophilic polymer, b) an organophilic clay, c) a stabilizer, and d) a white medicinal oil having selected properties.
摘要:
Certain wastewater streams coming out of boilers have temperatures higher than 180.degree. Fahrenheit. Organoclay granules where a quaternary amine acts as a binder will dissolve at that temperature. A cementitious binder is used to pelletice an organoclay made of sepiolite to overcome this problem.
摘要:
A precursor cement slurry includes a cement powder, water, and an additive. The additive includes a cement bond enhancer and a non-aqueous fluid additive. The non-aqueous fluid additive is an internal phase and the cement bond enhancer stabilizes the non-aqueous fluid additive in the form of a Pickering emulsion within the precursor cement slurry. The cement bond enhancer is comprised of the reaction product of graphene oxide with an anchoring functionality. A method of forming the precursor cement slurry and a method of cementing an annular space within a wellbore are also provided.
摘要:
Various embodiments disclosed relate to compositions including a curable resin and organophilically-modified clay for subterranean oil well applications and methods of using the same. Various embodiments provide a method of treating a subterranean formation including placing in a subterranean formation a curable composition that includes at least one of a curable organic resin and a thermosetting polymer. The curable composition also includes an organophilically-modified clay.
摘要:
A cement slurry composition, containing hydraulic cement, water, and from 1 to less than 4% of an organically modified nanoclay. A method for cementing a high pressure high temperature well by pumping the cement composition of claim 1 between a casing and a formation of a well bore to fill a gap between the casing and the formation, and allowing the cement to harden.
摘要:
The present disclosure describes aerogel composites comprising organic-inorganic hybrid aerogel particulates and binders, in particular systems with aerogel and binders covalently bonded along with methods for preparing the same. Said composites can be formed into articles having complex geometries.
摘要:
A cementitious composition is provided that is composed of hydraulic cement and a liquid coloring suspension. The liquid coloring suspension which contains polycarboxylate dispersant and pigment provides the cementitious composition with increased dispersion of pigment particles, lowered water content, and improved coloration over that observed in the prior art. Also, a liquid coloring suspension for cementitious compositions is provided which contains polycarboxylate dispersant, pigment, and thixotropic additive. The liquid coloring suspension increases the color of cementitious compositions, reduces the water content and has long term stability in that it does not become increasingly viscous over time.