公开(公告)号：WO2020257272A1

公开(公告)日：2020-12-24

申请号：PCT/US2020/038123

申请日：2020-06-17

Applicant: EXXONMOBIL CHEMICAL PATENTS INC.

Inventor： IACCINO, Larry, L. ,  CUTLER, Joshua, I.

IPC: C09K8/035 ,  C10M105/18 ,  C09K2208/28 ,  C09K2208/34 ,  C10M129/16 ,  C10M2207/046 ,  C10N2030/06

Abstract: Compositions for decreasing friction may comprise an optional carrier fluid, and one or more reaction products. The one or more reaction products may be formable from Component 1 and Component 2; and an acid and water combined therewith after one or more initial reaction products have formed. A, B and D are independently branched or unbranched, cyclic or acyclic, substituted or unsubstituted, saturated or unsaturated C1-C100 hydrocarbyl groups. Z is a nucleophilic group selected from OH, SH and ΝH2, and X is a leaving group. Downhole methods may comprise introducing a wellbore fluid comprising the reaction product(s) into a subterranean formation.

公开(公告)号：WO2022211938A1

公开(公告)日：2022-10-06

申请号：PCT/US2022/017816

申请日：2022-02-25

Applicant: LIU, Feipeng ,  LAI, Yuning

Inventor： LIU, Feipeng ,  LAI, Yuning

IPC: C04B28/00 ,  C09K8/80 ,  C08F220/56 ,  C09D133/08 ,  C09D133/26 ,  C09D5/00 ,  C09D7/61 ,  C09D7/63 ,  C09K2208/10 ,  C09K2208/28 ,  C09K2208/34 ,  C09K8/805

Abstract: Bioinspired chemical additives, coating, or/and solution, in mimicking biomineralization processes of bone, useful for enhancing the strength of hydraulic- cement concrete and mitigating the risk of its cracking failure, comprising of micro/nano/textured dual phobic dot domains as core layer, hydrogel polymer as shell, prepared by water and mineral oil as solvent via surfactant/emulsifier as intermediate layer encapsulated in an emulsion, were mixed with cement, fine sand, and aggregates by weight percentage at a mix ratio of from 0.00001/99.99999 to 10.0/90, of which the ratio of water to cement is ranged from 0.2 to 0.80 (W/C), the volume fraction of cement accounted for total volume fraction of solid from 5 to 50%, the fine sand from 40% to 90%, and aggregate from 40% to 90% as water dried, a replacement of cement with cementitious materials such as microcrystalline silica sand, micro gel, and swollen clays ranged from 0.01% to 75% over the cement by weight percentage, casted into concrete blocks having an early age of compressive strength of more than 4000 (PSI) within 24 hour, Brazilian splitting tensile strength of more than 1000 (psi) at 28 days, ultimate compressive strength of more than 7500 (PSI) after exposed at the ambient conditions for over one and half year, an increased toughness of more than 900 (%), modulus of resilience of more than 1300 (%), self-healing capability of more than 80(%) by pre-cracking test method, density ranged from 1.90 to 2.55 (g/cm3), moisture content loss of less than 3.0%, resulting from the contributions of the tunable self- assembly of dispersive and non-covalent bonds in response to the exothermic hydration of micro/nano/textured hydro dual phobic domains of proteins, wax, and hydrogel polymers with mixed concrete components from 30 to 200 °F.

公开(公告)号：WO2022212664A1

公开(公告)日：2022-10-06

申请号：PCT/US2022/022770

申请日：2022-03-31

Applicant: ARAMCO SERVICES COMPANY

Inventor： SANTRA, Ashok ,  THAEMLITZ, Carl

IPC: C09K8/035 ,  C09K8/12 ,  C08F292/00 ,  C09K2208/28 ,  C09K2208/34 ,  E21B21/00 ,  E21B41/02

Abstract: A composition of matter including a mono-facial polymer-grafted graphene particle 206 and an aqueous-based drilling fluid is provided. In the composition, a first side of the graphene particle 206 has a grafted polymer 204. A method of lubricating a tool surface 202 using the composition of matter is also provided. The method includes providing an aqueous-based drilling fluid, the aqueous-based drilling fluid having a mono-facial polymer-grafted graphene particle 206, and introducing the aqueous-based drilling fluid into a wellbore such that it contacts a tool surface 202 to form a coated tool. A drilling tool 202 having a mono-facial polymer-grafted graphene particle 206 adhered to its surface is also provided.