Halliburton Energy Services, Inc.

Multi-chem Group, LLC

Deepak S Monteiro

Qiang Lan

Loan K Vo

Philippe Prince

Erick Jose Acosta

Pushkala Krishnamurthy

Mark Paul Ceglio, Ii

Alberto Striolo

Tai Duc Bui

Shane Wyatt Rorex

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 involving anti-agglomerant hydrate inhibitors and polyaromatic hydrocarbons for hydrate inhibition are provided. In some embodiments, the methods include introducing a hydrate inhibitor composition including an anti-agglomerant hydrate inhibitor into a fluid including (i) water and (ii) one of gas, liquid hydrocarbon, and any combination thereof; and introducing a polyaromatic hydrocarbon into the fluid.

Polyaromatic hydrocarbon additives for hydrate inhibition

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

A method may include: placing into a wellbore penetrating a subterranean formation a foaming agent, wherein the wellbore comprises a produced fluid from the subterranean formation; and foaming the produced fluid. The foaming agent may include at least one of the following structures: 

Dual functioning corrosion inhibitor and foaming agent

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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Houston, TX, United States of America

Deepak S Monteiro