Patent application number | Description | Published |
20100089578 | Prevention of Water Intrusion Into Particulates - Treatments and compounds useful in subterranean formations are discussed, with particular attention to those where particulates may be subject to water intrusion. Certain methods pertain to providing diffusion barriers for particulates. Of these, certain diffusion barriers may provide hydrophobic coatings to the particulates, certain diffusion barriers may provide fillers that may act to prevent water intrusion into surface features of particulates, and certain diffusion barriers may be initiated with diagenesis source material. | 04-15-2010 |
20100089579 | Additives to Suppress Silica Scale Build-Up - Treatments and compounds useful in subterranean formations are discussed, with particular attention to those where particulates and/or surfaces may be subject to silica scale build-up. Certain embodiments pertain to utilizing silica scale control additives with particulate packs. Of these, certain methods may treat particulate packs in a subterranean formation with silica scale control additives, certain methods may combine silica scale control additives with particulates prior to formation of a particulate pack, and certain compounds may provide the features of both silica scale control additives and particulates. | 04-15-2010 |
20100093566 | Ceramic Coated Particulates - Treatments and compounds useful in subterranean formations are discussed, with particular attention to those utilizing ceramic coated particulates. Certain embodiments pertain to particulates and particulate packs with ceramic coatings of subatomic thickness. Of these, certain methods may utilize ceramic coatings on particulates in a subterranean formation, certain methods may utilize ceramic coatings on particulate packs in a subatomic formation, and certain compounds may provide the features of both ceramic coatings and particulates. | 04-15-2010 |
20110079392 | ADDITIVES TO SUPPRESS SILICA SCALE BUILD-UP AND METHODS OF USE THEREOF - Treatments and compounds useful in subterranean formations are discussed, with particular attention to those formations where surfaces may be subject to silica scale build-up. Certain embodiments pertain to utilizing silica scale control additives with remediation and stimulation treatments. One example of a suitable method includes providing an acidic treatment fluid comprising: a base fluid, an acid, and a silica scale control additive; contacting at least a portion of a subterranean formation with the acidic treatment fluid; and allowing the acidic treatment fluid to interact with silica scale buildup in the subterranean formation so that at least a portion of the silica scale buildup is removed. | 04-07-2011 |
20110253374 | Geochemical Control of Fracturing Fluids - Treatments and compounds useful in subterranean formations are discussed, with particular attention to fracturing treatments where particulates and/or surfaces may be subject to water intrusion. Certain methods pertain to utilizing diagenesis source material to create porous structures in a subterranean formation. Such porous structures may be formed of consolidated particulates and/or diagenic product. Certain methods pertain to analyzing and/or quantifying the effects of the other methods disclosed herein. | 10-20-2011 |
20110259592 | METHOD AND COMPOSITION FOR TREATING FLUIDS BEFORE INJECTION INTO SUBTERRANEAN ZONES - The invention relates to methods and compositions for producing or recovering an aqueous-based fluid to be utilized or injected in a wellbore or surrounding subterranean formation. The method comprises the step of contacting an aqueous-based fluid with an aqueous-soluble breaker composition comprising an oxidizing agent and a catalyst for a time sufficient to reduce or eliminate one or more deleterious substances in the aqueous-based fluid to produce a treated aqueous-based fluid suitable for use or injection in a wellbore or surrounding subterranean formation. | 10-27-2011 |
20120067576 | TREATMENT FLUIDS CONTAINING A BIODEGRADABLE CHELATING AGENT AND METHODS FOR USE THEREOF - Of the many methods provided herein, an example is a method including: providing a treatment fluid that comprises: an aqueous base fluid; a hydrofluoric acid source selected from the group consisting of hydrofluoric acid, a hydrofluoric acid generating compound, and a combination thereof; and a biodegradable chelating agent comprising one of the following selected from the group consisting of: glutamic acid diacetic acid, a glutamic acid diacetic acid salt, a derivative thereof, and a combination thereof; and introducing the treatment fluid into at least a portion of a subterranean formation. | 03-22-2012 |
20120097392 | Treatment Fluids Containing Biodegradable Chelating Agents and Methods for Use Thereof - Treatment fluids containing biodegradable chelating agents and methods for use thereof are described. The methods can comprise providing a treatment fluid that comprises an aqueous base fluid and a chelating agent composition, and introducing the treatment fluid into at least a portion of a subterranean formation. The treatment fluids can also be used for treatment of pipes or tubing such as, for example, well bore pipes or tubing penetrating a subterranean formation and above-ground pipelines. Illustrative biodegradable chelating agents include, but are not limited to, glutamic acid diacetic acid, methylglycine diacetic acid, β-alanine diacetic acid, S,S-ethylenediaminedisuccinic acid, iminodisuccinic acid, hydroxyiminodisuccinic acid, any salt thereof, any derivative thereof, and any combination thereof. The treatment fluids can optionally comprise an acid, which can include hydrofluoric acid or a hydrofluoric acid generating compound. | 04-26-2012 |
20120115759 | TREATMENT FLUIDS CONTAINING A BORON TRIFLUORIDE COMPLEX AND METHODS FOR USE THEREOF - Treatment fluids for use in subterranean formations, particularly sandstone and other siliceous formations, may contain a source of fluoride ions to aid in mineral dissolution. In some cases, it may be desirable to generate the fluoride ions from a fluoride ion precursor, particularly a hydrofluoric acid precursor, such as a boron trifluoride complex. Methods described herein can comprise providing a treatment fluid that comprises an aqueous base fluid, a boron trifluoride complex, and a chelating agent composition, and introducing the treatment fluid into a subterranean formation, | 05-10-2012 |
20120145401 | Acidic Treatment Fluids Containing Non-Polymeric Silica Scale Control Additives and Methods Related Thereto - The present invention relates to treatment fluids and compounds useful in subterranean formations, particularly those that retard deposition of silica scale in subterranean formations. Methods of the present invention comprise providing a treatment fluid having a pH of 6 or less that comprises an acidic base fluid and a non-polymeric silica scale control additive and introducing the treatment fluid into at least a portion of a subterranean formation. The non-polymeric silica scale control additive retards deposition of silica scale in the subterranean formation. | 06-14-2012 |
20120172263 | Additives to Suppress Silica Scale Build-Up - Composition comprising a plurality of particulates wherein at least some particulates are at least partially covered with a coating that impedes the intrusion of water into the particulates; and, a silica scale control additive, wherein the silica scale control additive is capable of suppressing silica scale build-up proximate the plurality of particulates. Some compositions further include a treatment fluid wherein and the silica scale control additive are present in the treatment fluid. | 07-05-2012 |
20120180551 | Geochemical Control of Fracturing Fluids - Methods comprising: placing particulates in a test column; adding a fluid medium comprising a salt solution to the test column; placing the column under test conditions, wherein the test conditions comprise target temperature and target pressure; maintaining test conditions for a target test duration; and, analyzing the particulates. Some methods also measure a permeability value of the column after placing particulates in a test column and before placing the column under test conditions; continuously flow the salt solution through the particulates during the test; measure a permeability value after maintaining the test conditions for the target test duration; and, calculate a retained permeability value. | 07-19-2012 |
20130269936 | Treatment Fluids Comprising a Silicate Complexing Agent and Methods for Use Thereof - Treatment fluids comprising a silicate complexing agent can be used in conjunction with acidizing a subterranean formation that contains a siliceous material. Inclusion of the silicate complexing agent in the treatment fluids may eliminate or reduce the production of insoluble fluorosilicates and aluminosilicates that can occur when an acidizing operation is conducted. Methods for treating a subterranean formation can comprise: providing a treatment fluid that comprises a silicate complexing agent comprising a tertiary amine compound, a functionalized pyridine compound, any salt thereof, or any combination thereof; and hydrofluoric acid, a hydrofluoric acid-generating compound, or any combination thereof; and introducing the treatment fluid into a subterranean formation. | 10-17-2013 |
20130269937 | Acidizing Fluids Comprising a Salt Block Inhibitor and Methods for Use Thereof - Treatment fluids comprising hydrofluoric acid, a hydrofluoric acid-generating compound, or any combination thereof can be used in conjunction with acidizing a subterranean formation that contains a siliceous material. Inclusion of a salt block inhibitor in the treatment fluids may eliminate or reduce the formation of insoluble fluorosilicates and aluminosilicates that can occur when an acidizing operation is conducted. Methods for treating a subterranean formation can comprise: providing a treatment fluid that comprises a salt block inhibitor comprising a fructan, and hydrofluoric acid, a hydrofluoric acid-generating compound, or any combination thereof; and introducing the treatment fluid into a subterranean formation. | 10-17-2013 |
20130269944 | Treatment Fluids Comprising an Alkali Metal Complexing Agent and Methods for Use Thereof - Alkali metal ions may lead to the production of insoluble materials during the course of stimulating a subterranean formation, particularly when acidizing a siliceous formation or a formation containing a siliceous material. Alkali metal ions may be sequestered using an alkali metal complexing agent in order to reduce their propensity toward forming insoluble materials in a subterranean formation. Methods for stimulating a subterranean formation can comprise: providing a treatment fluid that comprises an alkali metal complexing agent comprising a cyclic polyether having between 3 and 6 ether oxygen atoms present therein, and hydrofluoric acid, a hydrofluoric acid-generating compound, or any combination thereof; and introducing the treatment fluid into a subterranean formation. | 10-17-2013 |
20130312961 | Biomimetic Adhesive Compositions Comprising a Phenolic Polymer and Methods for Use Thereof - Biomimetic adhesive compositions can be used in various aspects of subterranean treatment operations. Methods for treating a subterranean formation can comprise: providing an adhesive composition that comprises a first polymer comprising a plurality of monomers that comprise a phenolic moiety, a biopolymer that is crosslinkable with the first polymer, a crosslinking agent, and an oxidizing agent; introducing the adhesive composition into a subterranean formation; and forming a coacervate-bound surface in the subterranean formation by crosslinking the first polymer. | 11-28-2013 |