C09K2208/26

TREATMENT FLUIDS COMPRISING FINGER MILLET AND METHODS OF USE

The present disclosure relates to a well treatment fluid comprising finger millet, a breaker package, and a continuous aqueous phase. The present disclosure also relates to a method for treating at least a portion of a subterranean well comprising forming an aqueous treatment fluid comprising (i) finger millet, (ii) a breaker package comprising at least one breaker, and (iii) a continuous aqueous phase; and introducing the treatment fluid into at least a portion of the subterranean well.

COMPOSITIONS AND METHODS FOR BREAKING HYDRAULIC FRACTURING FLUIDS

A breaker composition for use in a fracturing fluid comprises water, at least one peroxide (e.g., tert-butyl hydroperoxide), and optionally at least one alcohol (e.g., propylene glycol and/or a butyl alcohol). The peroxide(s) and optional alcohol(s) are present in amounts effective to reduce the viscosity of a fracturing fluid at a temperature of 90-300 F. (the “breaking temperature”), and to prevent rehealing of the fracturing fluid, i.e., to maintain the reduced viscosity for a period of time after the temperature is reduced from the breaking temperature to a temperature below the breaking temperature (e.g., after the temperature is reduced from the breaking temperature to room temperature).

Composition Including a Curable Resin and Organophilically-Modified Clay for Subterranean Oil Well Applications

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.

SILICA CROSSLINKER INCLUDING BORONIC ACID FUNCTIONALITIES OR ESTERS THEREOF FOR TREATMENT OF SUBTERRANEAN FORMATIONS

Various embodiments disclosed relate to crosslinkers for treatment of a subterranean formation and methods of using the same. In various embodiments, the present invention provides a method of treating a subterranean formation. The method includes placing in a subterranean formation a composition that includes polysaccharide viscosifier. The composition also includes a crosslinker including a silica bonded to at least one crosslinking group that includes at least one amine group including at least one of a boronic acid and an ester thereof.

Fracture clean-up by electro-osmosis

A method of fracture fluid clean-up from a fracture by assisting Darcy flow with electro-osmotic effects is provided. Proppants having suitable surface potential, and fracture fluids having suitable electrical conductivity are employed. A suitable electric field is imposed, using electrodes placed on the surface or in adjacent wells. The current creates an electro-osmotic flow that carries fluid to the wellbore.

Thiol adducts for corrosion inhibition

Compounds, compositions and methods are provided for inhibiting corrosion at a surface in the production, transportation, storage, and separation of fluids such as crude oil and natural gas, the compounds having the formula: ##STR00001## wherein: Each R.sub.1 is independently —CH.sub.2OH and —C(O)OH; R.sub.2 is ##STR00002## Each R.sub.3 is independently hydrogen or R.sub.5, or both R.sub.3 together form a ring via a linker ##STR00003## Each R.sub.4 is independently hydrogen or R.sub.5; R.sub.5 is —CH.sub.2SC.sub.2H.sub.4R.sub.1; and n is an integer from 0 to 3.

Treating fluid comprising hydrocarbons, water, and polymer

Embodiments of treating fluid comprising hydrocarbons, water, and polymer being produced from a hydrocarbon-bearing formation are provided. One embodiment comprises adding a concentration of a viscosity reducer to the fluid to degrade the polymer present in the fluid and adding a concentration of a neutralizer to the fluid to neutralize the viscosity reducer in the fluid. The addition of the concentration of the viscosity reducer is in a sufficient quantity to allow for complete chemical degradation of the polymer prior to the addition of the concentration of the neutralizer in the fluid such that excess viscosity reducer is present in the fluid. The addition of the concentration of the neutralizer is sufficiently upstream of any surface fluid processing equipment to allow for complete neutralization of the excess viscosity reducer such that excess neutralizer is present in the fluid prior to the fluid reaching any of the surface fluid processing equipment.

Composition Including Enzymatic Breaker and Activator for Treatment of Subterranean Formations

Various embodiments disclosed relate to compositions including an enzymatic breaker and an activator for treatment of subterranean formations. In various embodiments, the present invention provides a method of treating a subterranean formation. CThe method includes placing in a subterranean formation a composition including an enzymatic breaker and an enzyme activator including at least one of a) at least one hydroxy group or derivative thereof, and b) at least one sulfonic acid or a salt or ester thereof.

Polymeric Metal Crosslinker for Shear Tolerant Francturing Fluid Application

A method of treating a subterranean formation includes introducing a viscosified treatment fluid into a subterranean formation, the treatment fluid including an aqueous fluid, a gelling agent, and a crosslinker including a copolymer with an interpenetrating monomer and organic bound metal ions. A composition includes an aqueous fluid, a gelling agent; and a crosslinker including a copolymer with an interpenetrating monomer and organic bound metal ions.

SELECTIVE ACIDIZING OF A SUBTERRANEAN FORMATION
20170218261 · 2017-08-03 · ·

Various embodiments disclosed relate to methods of acidizing subterranean formations and systems for performing the method. In various embodiments, the present invention provides a method of acidizing a subterranean formation including placing an acid-resisting treatment composition including a surface modification agent in a subterranean formation, such that part of the subterranean formation includes an at least partially acid-resistant coating including the acid-resisting treatment composition or a reaction product thereof. The method also includes placing an acidizing composition in the subterranean formation, wherein the acidizing composition at least one of etches and dissolves a part of the subterranean formation substantially free of the acid-resistant coating.