METHOD AND SYSTEM FOR BOOSTING SEALING ELEMENTS OF DOWNHOLE BARRIERS

Inventor: Michael W. MITCHELL

Applicant: WEATHERFORD TECHNOLOGY HOLDINGS, LLC

Provisional Application Expired

	Code	Description	Pages	PDF
2019-06-18	`APP.FILE.REC`	Filing Receipt	3	View
2019-06-11	`ADS`	Application Data Sheet	8	View
2019-06-11	`DRW`	Drawings-only black and white line drawings	28	View
2019-06-11	`TR.PROV`	Provisional Cover Sheet (SB16)	3	View
2019-06-11	`WFEE`	Fee Worksheet (SB06)	2	View
2019-06-11	`N417`	Electronic Filing System Acknowledgment Receipt	3	View
2019-06-11	`SPEC`	Specification	12	View
2019-06-11	`CLM`	Claims	1	View

Inventors

Michael W. MITCHELL Houston, TX

Attorneys & Agents of Record

MARLIN SMITH Reg. 38310 Attorney · SMITH IP SERVICES, P.C.

JAMES KURKA Reg. 47726 Attorney · WEATHERFORD INTERNATIONAL

PHILLIP RICE Reg. 71538 Attorney · WEATHERFORD

Prosecution

WELLS FARGO BANK, NATIONAL ASSOCIATION

from DEUTSCHE BANK TRUST COMPANY AMERICAS

PATENT SECURITY INTEREST ASSIGNMENT AGREEMENT Recorded 2023-04-26

WEATHERFORD TECHNOLOGY HOLDINGS, LLC, WEATHERFORD NETHERLANDS B.V., WEATHERFORD NORGE AS, HIGH PRESSURE INTEGRITY, INC., PRECISION ENERGY SERVICES, INC., WEATHERFORD CANADA LTD., WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH, PRECISION ENERGY SERVICES ULC, WEATHERFORD U.K. LIMITED

from WELLS FARGO BANK, NATIONAL ASSOCIATION

RELEASE OF SECURITY INTEREST Recorded 2020-08-28

WILMINGTON TRUST, NATIONAL ASSOCIATION

from HIGH PRESSURE INTEGRITY, INC., PRECISION ENERGY SERVICES ULC, PRECISION ENERGY SERVICES, INC., WEATHERFORD CANADA LTD., WEATHERFORD NETHERLANDS B.V., WEATHERFORD NORGE AS, WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH, WEATHERFORD TECHNOLOGY HOLDINGS, LLC, WEATHERFORD U.K. LIMITED

SECURITY INTEREST Recorded 2020-08-28

DEUTSCHE BANK TRUST COMPANY AMERICAS, AS ADMINISTRATIVE AGENT

SECURITY INTEREST Recorded 2019-12-26

WELLS FARGO BANK NATIONAL ASSOCIATION AS AGENT

from HIGH PRESSURE INTEGRITY INC., PRECISION ENERGY SERVICES INC., PRECISION ENERGY SERVICES ULC, WEATHERFORD CANADA LTD., WEATHERFORD NETHERLANDS B.V., WEATHERFORD NORGE AS, WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH, WEATHERFORD TECHNOLOGY HOLDINGS LLC, WEATHERFORD U.K. LIMITED

SECURITY INTEREST Recorded 2019-12-18

WEATHERFORD TECHNOLOGY HOLDINGS, LLC

from MITCHELL, MICHAEL W.

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded 2019-07-11

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