Hydrofluoric acid acidizing composition compatible with sensitive metallurgical grades
NL Pascarella, EA Reyes - US Patent 9,840,662, 2017 - Google Patents
Abstract Systems and methods for hydrofluoric (HF) acidizing compositions compatible with
sensitive metallurgic grades. The systems and methods may include preparing an aqueous …
sensitive metallurgic grades. The systems and methods may include preparing an aqueous …
Ammonium salts of chelating agents and their use in oil and gas field applications
CA De Wolf, JN LePage, H Nasr-El-Din… - US Patent …, 2017 - Google Patents
Subterranean formation wherein a fluid containing an ammo nium salt of glutamic acid N, N-
diacetic acid (GLDA) or methylglycine NN-diacetic acid (MGDA) is introduced into the …
diacetic acid (GLDA) or methylglycine NN-diacetic acid (MGDA) is introduced into the …
Slick-water fracturing using time release metal-complexing agent
AB Conway - US Patent 9,932,516, 2018 - Google Patents
In a slick-water fracturing operation, a composition is used to prevent the interaction
between a polymer in a water-based fracturing fluid and naturally-occurring metal ions. The …
between a polymer in a water-based fracturing fluid and naturally-occurring metal ions. The …
Method for quantitative prediction of matrix acidizing treatment outcomes
W Zhao, X Qiu, S Dyer - US Patent 9,098,889, 2015 - Google Patents
BACKGROUND The statements in this section merely provide background information
related to the present disclosure and may not constitute prior art. The technical field …
related to the present disclosure and may not constitute prior art. The technical field …
Stimulation of wells in nano-darcy shale formations
AB Conway - US Patent 9,944,843, 2018 - Google Patents
Formulations and methods for stimulating the production from wells in nano-darcy shale
formations. In one embodiment, the method includes injecting a treatment mixture containing …
formations. In one embodiment, the method includes injecting a treatment mixture containing …
Ampholyte polymers and methods of treating subterranean formations with the same
HC Chung, YT Hu, N Tonmukayakul… - US Patent …, 2017 - Google Patents
Various embodiments disclosed relate to a composition including a crosslinkable ampholyte
polymer or a cross linked product of the same, methods of making and using the …
polymer or a cross linked product of the same, methods of making and using the …
Chelating agent-based self-diverting acidizing fluids and methods relating thereto
EA Reyes, AM Beuterbaugh, AL Smith… - US Patent …, 2016 - Google Patents
Complexing-acidizing treatment fluids can be used in various subterranean treatment
operations. Some methods include: providing or preparing a complexing-acidizing treatment …
operations. Some methods include: providing or preparing a complexing-acidizing treatment …
Method for remediation of subterranean-formed metal-polymer complexes using a metal complexing agent
AB Conway, R Easterly - US Patent 10,202,834, 2019 - Google Patents
US10202834B2 - Method for remediation of subterranean-formed metal-polymer complexes
using a metal complexing agent - Google Patents US10202834B2 - Method for remediation of …
using a metal complexing agent - Google Patents US10202834B2 - Method for remediation of …
Well treatment methods and fluids with GLDA salt
GLDA salt, a crosslinker, and a viscosifying agent that is not crosslinked by the crosslinker. A
well treatment method includes forming a well servicing fluid with ingredients including a …
well treatment method includes forming a well servicing fluid with ingredients including a …
Acidizing compositions including ampholyte polymers
HC Chung, JE Maxey - US Patent 9,834,716, 2017 - Google Patents
Various embodiments disclosed relate to acidizing compo sitions including an ampholyte
polymer. Various embodi ments provide a method of treating a subterranean forma tion. The …
polymer. Various embodi ments provide a method of treating a subterranean forma tion. The …