公开(公告)号：US20160362315A1

公开(公告)日：2016-12-15

申请号：US15170338

申请日：2016-06-01

Applicant: CONOCOPHILLIPS COMPANY

Inventor： Ramesh SHARMA ,  Travis DINSDALE ,  Amber J. TAYLOR ,  Babajide KOLADE ,  Jay LOCKLEAR

IPC: C02F1/52 ,  E21B43/24 ,  C02F5/02

CPC classification number: E21B43/2406 ,  C02F1/66 ,  C02F5/025 ,  C02F2001/007

Abstract: A method and system generate steam for SAGD operation wherein steam generator blowdown water is acidified, cooled and clarified before reuse. Acid Clarification Treatment, or “ACT”, mitigates organic fouling in Once-Through Stream Generators. Lab tests quantitatively and qualitatively show that ACT reduces Total organic carbon (TOC) and ‘bad actors’ TOC, respectively, in blowdown streams.

Abstract translation: 一种方法和系统为SAGD操作产生蒸汽，其中蒸汽发生器排污水在再利用之前被酸化，冷却和澄清。 酸澄清处理或“ACT”减轻了直通流发生器中的有机污染。 实验室测试在定量和定性上显示，在排污流中，ACT分别降低总有机碳（TOC）和“不良行为者”TOC。

公开(公告)号：US20220074292A1

公开(公告)日：2022-03-10

申请号：US17530299

申请日：2021-11-18

Applicant: CONOCOPHILLIPS COMPANY

Inventor： Ramesh SHARMA ,  Travis DINSDALE ,  Amber J. TAYLOR ,  Babajide KOLADE ,  Jay LOCKLEAR

IPC: E21B43/24 ,  C02F1/66

Abstract: A method and system generate steam for SAGD operation wherein steam generator blowdown water is acidified, cooled and clarified before reuse. Acid Clarification Treatment, or “ACT”, mitigates organic fouling in Once-Through Stream Generators. Lab tests quantitatively and qualitatively show that ACT reduces Total organic carbon (TOC) and ‘bad actors’ TOC, respectively, in blowdown streams.

公开(公告)号：US20240116789A1

公开(公告)日：2024-04-11

申请号：US18481977

申请日：2023-10-05

Applicant: CONOCOPHILLIPS COMPANY

Inventor： Jonathan KIESEWETTER ,  Ramesh SHARMA ,  Paul CARMAN

IPC: C02F1/72 ,  C02F1/56 ,  C02F1/66 ,  C02F1/68 ,  C09K8/528 ,  E21B43/28 ,  E21B43/34

CPC classification number: C02F1/722 ,  C02F1/56 ,  C02F1/66 ,  C02F1/683 ,  C02F1/72 ,  C09K8/528 ,  E21B43/283 ,  E21B43/35 ,  C02F2103/365 ,  C02F2305/023

Abstract: Method of decomposing high molecular weight polymer downhole to prevent chelation of iron by residual high molecular weight polymer thereby producing flowback without iron contamination as chelated iron. A secondary method is also described to treat iron chelated produced water with oxidants at surface conditions, utilizing aluminum electrolytes, specifically low basicity polyaluminum chloride, to either co-precipitate residual polymer and bound iron, or to substitute chelated iron with aluminum in the polymer-metal complex, resulting in liberating of iron to enable neutral pH oxidation and removal by precipitation, coagulation, flocculation and physical separation. The produced water with removed iron can be then stored or re-used for other oilfield applications.

公开(公告)号：US20190106346A1

公开(公告)日：2019-04-11

申请号：US16156957

申请日：2018-10-10

Applicant: ConocoPhillips Company

Inventor： Murugavel KANNAN ,  Ramesh SHARMA

IPC: C02F9/00

Abstract: A new water treatment system for SAGD operations is disclosed. Instead of treating both produced water and recycled water using warm lime softening systems, the recycled water is combined with saline water in a cold lime softening system. This results in slightly warmed reactions that require less chemicals during the lime softening process while also allowing for larger volumes of treated produced water to be generated by the warm lime softening system.