IP Library Granted Patent US 12,140,021
Granted Patent B2
US 12,140,021 · App. 18/295,614 · Granted Nov 12, 2024

Polymer-based well tracers with tunable release profile

Inventors: Rajesh Kumar Saini (Cypress, TX); Amy J. Cairns (Houston, TX); Shitong Sherry Zhu (Waban, MA); Ayrat Gizzatov (Winchester, MA); Wei Wang (Quincy, MA); Mohammed Sayed (Katy, TX); Hooisweng Ow (Woburn, MA)
Assignee: SAUDI ARABIAN OIL COMPANY
E21B47/11C09K8/805
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Quick Facts
Patent No.
US 12,140,021
App. No.
18/295,614
Granted
Nov 12, 2024
Kind
B2
Abstract

Described is a polymer-based well tracer. The polymer-based well tracer is a fluoropolymer having a fluorinated group. The fluoropolymer may be formed into a particle, a coating for proppant particulates, or encapsulated in a polymeric resin. Upon degradation or hydrolysis of the fluoropolymer, the fluorinated group having a fluorinated compound is released within the well.

Claims (7)

1. A polymer-based well tracer, comprising: a fluoropolymer having a fluorinated tracer covalently bonded with a polymer, wherein upon reaction with water and degradation of the fluoropolymer, the fluorinated tracer comprising a fluorinated compound is released.

2. The polymer-based well tracer of claim 1 , wherein the fluoropolymer is a polyester.

3. The polymer-based well tracer of claim 1 , wherein the fluorinated compound is a fluoro diol.

4. The polymer-based well tracer of claim 1 , wherein the fluoropolymer is synthesized from fluoro carboxylic acids.

5. The polymer-based well tracer of claim 1 , wherein the fluoropolymer is formed into a particle.

6. The polymer-based well tracer of claim 1 , wherein the fluoropolymer is coated onto proppant particulates.

7. The polymer-based well tracer of claim 1 , wherein the fluoropolymer is encapsulated in a polymeric resin.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 5, 2025
From: ARAMCO SERVICES COMPANY
To: SAUDI ARAMCO UPSTREAM TECHNOLOGIES COMPANY
Reel/Frame 070418/0329 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 5, 2025
From: SAUDI ARAMCO UPSTREAM TECHNOLOGIES COMPANY
To: SAUDI ARABIAN OIL COMPANY
Reel/Frame 070418/0366 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 13, 2024
From: SAINI, RAJESH KUMAR; CAIRNS, AMY J.; ZHU, SHITONG SHERRY; GIZZATOV, AYRAT; WANG, WEI; SAYED, MOHAMMED; OW, HOOISWENG
To: ARAMCO SERVICES COMPANY
Reel/Frame 066753/0298 →
Continuity (1)
Related Publication 20240337183A1 · Oct 10, 2024