Halliburton Energy Services, Inc.

Multi-chem Group, LLC

Qiang Lan

Deepak S Monteiro

Erick Jose Acosta

Pushkala Krishnamurthy

Mark Paul Ceglio, Ii

Loan K Vo

Philippe Prince

Nathan Darrell Davis

Kiran Gawas

Ying Cong Jiang

Janet L Ngo

Mark Paul Ceglio

Deepak Monteiro

Compositions and methods of using such compositions to inhibit the formation of gas hydrate agglomerates are provided. In certain embodiments, the methods include: contacting a fluid with a hydrate inhibitor composition that includes at least one compound having the structural formula (I) wherein Ris hydrogen or any Cto Chydrocarbon chain; each of Rand Ris independently a Cto Chydrocarbon chain; Ris hydrogen, a Cto Chydrocarbon chain, or &#x2014;CH&#x2014;CH(OH)&#x2014;R; Ris a Cto Calkyl chain or a Cto Calkenyl chain; Xis a counter anion; and n is an integer from 1 to 8.

Anti-agglomerant hydrate inhibitors and method of use

A low dosage hydrate inhibitor blend comprising a cationic surfactant and a co-surfactant. The cationic surfactant has the structural formula: wherein: R1 is an alkyl group or alkenyl group having from 5 to 22 carbon atoms, R2 and R3 are alkyl groups having from 1 to 6 carbon atoms, R4 is a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms, and X&#x2014; is selected from the group of a carboxylate, an acrylate, a methacrylate, a halide, a phosphonate, a sulfate, a sulfonate, a hydroxide, a carbonate, or any combination thereof; and The co-surfactant is present in the inhibitor blend in an amount of no greater than about 10 percent by weight based on the total weight of the blend.

Low dosage hydrate inhibitor

Dual cation hydrate inhibitor compositions and methods of using such compositions to, for example, inhibit the formation of gas hydrate agglomerates are provided. In some embodiments, such methods include introducing a hydrate inhibitor composition into a fluid, wherein the hydrate inhibitor composition includes at least one compound having the structural formula: wherein each of R, R, and Ris independently a Cto Chydrocarbon chain, wherein Ris selected from the group consisting of hydrogen and any Cto Chydrocarbon chain, wherein each of Rand Ris independently selected from the group consisting of hydrogen and a Cto Chydrocarbon chain, wherein Xand Yare counter anions, and wherein each of a and b is independently an integer from 1 to 10.

Dual cation hydrate inhibitors

Methods for providing corrosion inhibition in conduits, containers, and wellbores penetrating subterranean formations are provided. In some embodiments, the methods comprise contacting a metal surface with a fluid comprising a corrosion inhibitor additive. In certain embodiments, the corrosion inhibitor additive comprises a compound comprising a hydrophobic cation moiety, one or more lipophilic tails, and a linking moiety.

Amidodiamine corrosion inhibitors

Included are compositions, methods, and systems for producing and using winterized paraffin inhibitor solutions. An example composition comprises a paraffin inhibitor solution; and an additive comprising a first portion and a second portion; wherein the first portion is selected from the functional groups consisting of sulfo, phosphate, phosphonate, ester, carboxyl, hydroxyl, and any combination thereof; wherein the second portion is selected from the functional groups consisting of linear alkyl, branched alkyl, alkyl phenyl, ethoxylated branched alkyl, propoxylated branched alkyl, and any combination thereof.

Additive to decrease the pour point of paraffin inhibitors

Compositions and methods of using of such compositions to, for example, inhibit of the formation of gas hydrate agglomerates are provided. In one embodiment, the methods comprise: introducing a low-dosage hydrate inhibitor additive into a fluid, wherein the low-dosage hydrate inhibitor additive comprises a quaternary or tertiary ammonium cation moiety, a lipophilic tail, and a sulfonate anion moiety; and exposing the low-dosage hydrate inhibitor additive to a temperature above about 200&#xb0; F.

High temperature hydrate inhibitors and methods of use

Compositions and methods of using of such compositions to, for example, inhibit of the formation of gas hydrate agglomerates are provided. In one embodiment, the methods comprise: introducing a hydrate inhibitor composition comprising a compound into a fluid, wherein the compound comprises two hydrophobic cation moieties, a lipophilic tail, and two linking moieties.

Double-headed hydrate inhibitors and methods of use

Compositions and methods of using of such compositions to, for example, inhibit of the formation of gas hydrate agglomerates are provided. In one embodiment, the methods comprise: introducing hydrate inhibitor composition comprising a compound into a fluid, wherein the compound comprises a hydrophobic cation moiety, one or more lipophilic tails, and a linking moiety.

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The Woodlands, TX, United States of America

Qiang Lan