Halliburton Company

Halliburton Energy Services, Inc.

Bobby E Hall

Jimmie Dean Weaver, Jr

Rajesh Kumar Saini

Lewis R Norman

Michael L Walker

Anindya Ghosh

Homer C McLaughlin

The present invention provides treatment fluids useful for subterranean operations, and more particularly, in at least one aspect, a treatment fluid that comprises a carrier fluid and a cationic surfactant comprising a cationic head group, a polar group attached to the head group, and a hydrophobic group that is either a saturated or unsaturated, branched or straight chain alkyl, and comprises about 6 carbons to about 22 carbons. The treatment fluids of the present invention are at least suitable for use as a remedial treatment for the reduction of existing water blocks, oil blocks, and/or gas condensates.

Treatment fluids for reduction of water blocks, oil blocks, and/or gas condensates and associated methods

A particular simple method and class of organic polycationic polymer compositions are provided for treating earthen formations such as in oil wells to stabilize clay against dispersion and expansion due to water.

Oil well treating method and composition

A composition for dissolving insoluble fluoride deposits and methods of treating subterranean formations and industrial vessels using such solution to remove fluoride deposits. The solvent comprises boric acid, methanol and hydrochloric acid.

Method of and solvent for removing inorganic fluoride deposits

Hydrofluoric acid compositions and methods for dissolving siliceous materials in subterranean formations to stimulate the production of fluids therefrom are provided. The presence of aluminum in the compositions retards the reaction rates thereof to thereby enable deeper penetration of formations by the acid compositions.

Methods and compositions for dissolving silicates in subterranean

Methods and compositions for treating subterranean formations whereby the loss of formation adsorbable additives from the treating compositions is reduced or prevented by including in such compositions certain methyl ether, sulfate ester or amine compounds.

Methods and compositions for treating subterranean formations

The present invention provides methods and compositions for treating subterranean formations whereby the loss of formation absorbable additives from the treating compositions is reduced or prevented.

Methods for treating subterranean formations

A method for dissolving clay is disclosed which comprises contacting the clay, in alteration, with separate slugs of a hydrogen ion-containing chemical and a fluoride ion-containing chemical. The hydrogen ions and fluoride ions react on the surface of the clay to produce hydrofluoric acid to dissolve the clay. The method is particularly valuable in dissolving the clay in a mixture of sand and clay without dissolving the sand. This finds immediate value in the practice of acid treating subterranean sandstone formations to increase permeability or to restore permeability damaged by clay.

Growing community of inventors

Duncan, OK, United States of America

Bobby E Hall