Patents
US 9022120 B2: Dry polymer mixing process for forming gelled fluids
- Granted
- 2015-05-05
- Filed
- 2011-04-26 application 13094806
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Apparatus, methods and systems for preparing a polymer concentrate for treating a formation with slick water systems viscous fluid or a gelled viscous fluid are disclosed. The method includes directing a powdered gel into a vortex mixing chamber, while directing a first portion of a base fluid into the vortex mixing chamber to form partially hydrated fluid concentrate. The partially hydrated fluid concentrate is then sucked or sweep into a main portion of base fluid for form the slick water systems viscous fluid or gelled viscous fluid.
Source: PVGPATDIS, file of 2026-04-10 (ipg150505.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Lubrizol oilfield Solutions, Inc. 6 patents | US company or organization | Diemelstraße, TX | LUBRIZOL OILFIELD SOLUTIONS, INC. State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Frank Zamora | Griet Scheeljannessteeg, TX | 47 | PVGPATDIS, file of 2026-04-10 | |
| Sarkis R. Kakadjian | San Antonio, TX | 36 | PVGPATDIS, file of 2026-04-10 | |
| Ronald J. Powell | Humble, TX | 9 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C09K | Materials for miscellaneous applications, not provided for elsewhere | C09K8/68 | PVGPATDIS, file of 2026-04-10 |
| Y10T | Technical subjects covered by former us classification | Y10T137/87652 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2023-04-26 | Security interest Security interest Patent security interest assignment agreement | DEUTSCHE BANK TRUST COMPANY AMERICAS signed 2023-01-31 | WELLS FARGO BANK, NATIONAL ASSOCIATION CHARLOTTE, NC | 63470/629 | PASDL, file of 2026-10-15 |
| 2021-10-01 | Security interest Security interest Security interest | WEATHERFORD TECHNOLOGY HOLDINGS, LLC signed 2021-09-30 WEATHERFORD NETHERLANDS B.V. signed 2021-09-30 WEATHERFORD NORGE AS signed 2021-09-30 HIGH PRESSURE INTEGRITY, INC. signed 2021-09-30 PRECISION ENERGY SERVICES, INC. signed 2021-09-30 WEATHERFORD CANADA LTD. signed 2021-09-30 WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH signed 2021-09-30 WEATHERFORD U.K. LIMITED signed 2021-09-30 | WILMINGTON TRUST, NATIONAL ASSOCIATION MINNEAPOLIS, MN | 57683/706 | PASDL, file of 2026-10-15 |
| 2021-10-01 | Release of security interest Release of security interest | WILMINGTON TRUST, NATIONAL ASSOCIATION signed 2021-09-30 | WEATHERFORD TECHNOLOGY HOLDINGS, LLC HOUSTON, TX WEATHERFORD NETHERLANDS B.V. HOUSTON, TX WEATHERFORD NORGE AS HOUSTON, TX HIGH PRESSURE INTEGRITY, INC. HOUSTON, TX PRECISION ENERGY SERVICES, INC. HOUSTON, TX WEATHERFORD CANADA LTD HOUSTON, TX WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH HOUSTON, TX PRECISION ENERGY SERVICES ULC HOUSTON, TX WEATHERFORD U.K. LIMITED HOUSTON, TX | 57683/423 | PASDL, file of 2026-10-15 |
| 2020-08-28 | Security interest Security interest Security interest | WEATHERFORD TECHNOLOGY HOLDINGS, LLC signed 2020-08-28 WEATHERFORD NETHERLANDS B.V. signed 2020-08-28 WEATHERFORD NORGE AS signed 2020-08-28 HIGH PRESSURE INTEGRITY, INC. signed 2020-08-28 PRECISION ENERGY SERVICES, INC. signed 2020-08-28 WEATHERFORD CANADA LTD. signed 2020-08-28 WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH signed 2020-08-28 PRECISION ENERGY SERVICES ULC signed 2020-08-28 WEATHERFORD U.K. LIMITED signed 2020-08-28 | WILMINGTON TRUST, NATIONAL ASSOCIATION MINNEAPOLIS, MN | 54288/302 | PASDL, file of 2026-10-15 |
| 2020-08-28 | Release of security interest Release of security interest | WELLS FARGO BANK, NATIONAL ASSOCIATION signed 2020-08-28 | WEATHERFORD TECHNOLOGY HOLDINGS, LLC HOUSTON, TX WEATHERFORD NETHERLANDS B.V. HOUSTON, TX WEATHERFORD NORGE AS HOUSTON, TX HIGH PRESSURE INTEGRITY, INC. HOUSTON, TX PRECISION ENERGY SERVICES, INC. HOUSTON, TX WEATHERFORD CANADA LTD. HOUSTON, TX WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH HOUSTON, TX PRECISION ENERGY SERVICES ULC HOUSTON, TX WEATHERFORD U.K. LIMITED HOUSTON, TX | 53838/323 | PASDL, file of 2026-10-15 |
| 2019-12-26 | Security interest Security interest Security interest | WEATHERFORD TECHNOLOGY HOLDINGS, LLC signed 2019-12-13 WEATHERFORD NETHERLANDS B.V. signed 2019-12-13 WEATHERFORD NORGE AS signed 2019-12-13 HIGH PRESSURE INTEGRITY, INC. signed 2019-12-13 PRECISION ENERGY SERVICES, INC. signed 2019-12-13 WEATHERFORD CANADA LTD. signed 2019-12-13 WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH signed 2019-12-13 PRECISION ENERGY SERVICES ULC signed 2019-12-13 WEATHERFORD U.K. LIMITED signed 2019-12-13 | DEUTSCHE BANK TRUST COMPANY AMERICAS, AS ADMINISTRATIVE AGENT NEW YORK, NY | 51419/140 | PASDL, file of 2026-10-15 |
| 2019-12-18 | Security interest Security interest Security interest | WEATHERFORD TECHNOLOGY HOLDINGS LLC signed 2019-12-13 WEATHERFORD NETHERLANDS B.V. signed 2019-12-13 WEATHERFORD NORGE AS signed 2019-12-13 HIGH PRESSURE INTEGRITY INC. signed 2019-12-13 PRECISION ENERGY SERVICES INC. signed 2019-12-13 WEATHERFORD CANADA LTD. signed 2019-12-13 WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH signed 2019-12-13 PRECISION ENERGY SERVICES ULC signed 2019-12-13 WEATHERFORD U.K. LIMITED signed 2019-12-13 | WELLS FARGO BANK NATIONAL ASSOCIATION AS AGENT DALLAS, TX | 51891/89 | PASDL, file of 2026-10-15 |
| 2017-08-11 | Assignment Assignment of assignor's interest | LUBRIZOL OILFIELD SOLUTIONS, INC. signed 2017-04-13 | WEATHERFORD TECHNOLOGY HOLDINGS, LLC HOUSTON, TX | 43265/755 | ECORSEXC, file of 2026-09-25 |
| 2015-10-09 | Assignment Assignment of assignor's interest | CLEARWATER INTERNATIONAL, L.L.C. signed 2015-08-04 | LUBRIZOL OILFIELD SOLUTIONS, INC. WICKLIFFE, OH | 36822/379 | ECORSEXC, file of 2026-09-25 |
| 2015-04-06 | Assignment Assignment of assignor's interest | KAKADJIAN, SARKIS R. signed 2011-04-04 ZAMORA, FRANK signed 2011-04-04 POWELL, RONALD J. signed 2011-04-20 | CLEARWATER INTERNATIONAL LLC HOUSTON, TX | 35340/459 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.