Methods and compositions incorporating alkyl polyglycoside surfactant for use in oil and/or gas wells

• US 10,421,707 B2
• Filed: 03/13/2017
• Issued: 09/24/2019
• Est. Priority Date: 03/14/2013
• Status: Active Grant

• Current Assignee: Flotek Industries Incorporated
• Original Assignee: Flotek Industries Incorporated
• Inventors: Trabelsi, Siwar, Hill, Randal M.
• Primary Examiner(s): Runyan, Silvana C
• Application Number:
  US15/457,792
• Publication Number:
  US 20170275518A1
• Time in Patent Office: 925 Days
• Field of Search: 166279
• CPC Class Codes: C04B 24/00 Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
• CPC Class Codes: C04B 24/02 Alcohols; Phenols; Ethers
• CPC Class Codes: C04B 24/04 Carboxylic acids; Salts, anhydrides or esters thereof
• CPC Class Codes: C04B 24/10 Carbohydrates or derivatives thereof
• CPC Class Codes: C04B 28/02 containing hydraulic cements other than calcium sulfates
• CPC Class Codes: C07C 31/205 1,3-Propanediol; 1,2-Propanediol
• CPC Class Codes: C07C 69/007 Esters of unsaturated alcohols having the esterified hydroxy group bound to an acyclic carbon atom
• CPC Class Codes: C07G 3/00 Glycosides polysaccharides C08B
• CPC Class Codes: C07G 99/00 Subject matter not provided for in other groups of this subclass
• CPC Class Codes: C09K 8/28 containing organic additives
• CPC Class Codes: C09K 8/40 Spacer compositions, e.g. compositions used to separate well-drilling from cementing masses
• CPC Class Codes: C09K 8/42 Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells compositions for plastering C09K8/50
• CPC Class Codes: C09K 8/467 containing additives for specific purposes
• CPC Class Codes: C09K 8/584 characterised by the use of specific surfactants
• CPC Class Codes: C09K 8/602 containing surfactants
• CPC Class Codes: C09K 8/68 containing organic compounds
• CPC Class Codes: C09K 8/88 macromolecular compounds

Abstract

Methods and compositions comprising an emulsion or a microemulsion for use treating an oil and/or gas well are provided. In some embodiments, the emulsion or the microemulsion comprises an aqueous phase, a solvent, a surfactant comprising alkyl polyglycoside, an alcohol, and, optionally, one or more additives.

Claims

1. A composition for use in an oil and/or gas well having a wellbore, comprising a fluid and a microemulsion, wherein the microemulsion comprises:

an aqueous phase;

a surfactant comprising alkyl polyglycoside;

a first solvent selected from the group consisting of terpene, alkyl aliphatic carboxylic acid ester, and combinations thereof, wherein the first solvent is present in an amount between about 1 wt % and about 20 wt % versus the microemulsion; and

an alcohol selected from the group consisting of butanol, amyl alcohol, and combinations thereof.

2. The composition of claim 1, wherein the first solvent comprises the terpene and the microemulsion further comprises a second solvent comprising methyl aliphatic carboxylic acid ester.

3. The composition of claim 1, wherein the microemulsion upon dilution at 2 gallons per thousand in a brine having a total dissolved solids value of from about 20,000 ppm to about 310,000 ppm has a turbidity of less than 100 Nephelometric Turbidity Units.

4. The composition of claim 1, wherein the alkyl polyglycoside is present in an amount of between about 10 wt % and about 25 wt % versus the microemulsion.

5. The composition of claim 1, wherein the alcohol is present in an amount between about 2 wt % and about 15 wt % versus the microemulsion.

6. The composition of claim 1, wherein the alkyl polyglycoside has an alkyl carbon chain length of between 6 and 16 carbon atoms.

7. A composition, for use in an oil and/or gas well having a wellbore, comprising a fluid and a microemulsion, wherein the microemulsion comprises:

an aqueous phase;

a surfactant comprising alkyl polyglycoside;

a first solvent comprising d-limonene;

a second solvent comprising methyl aliphatic carboxylic acid ester;

wherein the d-limonene is present in a ratio to the methyl aliphatic carboxylic acid ester of from about 1;

0.01 to about 0.5;

1 by weight; and

an alcohol selected from the group consisting of butanol, amyl alcohol, and combinations thereof.

8. A composition for use in an oil and/or gas well having a wellbore, comprising a fluid and a microemulsion, wherein the microemulsion comprises:

an aqueous phase;

a surfactant comprising alkyl polyglycoside;

a first solvent selected from the group consisting of terpene, alkyl aliphatic carboxylic acid ester, and combinations thereof;

an alcohol selected from the group consisting of butanol, amyl alcohol, and combinations thereof; and

a demulsifier.