Inventor

Stanley O. Hutchison

Inventor

Bakersfield, CA, US

Overview

27→

Patents

1976–1986

Patent span

Fixed constructions

Primary field (CPC E)

Patents· 27 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary

E21BEarth or rock drilling60%

F16LPipes12%

C08LCompositions of macromolecular compounds7%

Y10TTechnical subjects covered by former us classification7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients2%

C09KMaterials for miscellaneous applications, not provided for elsewhere2%

F16JPistons2%

G01BMeasuring length, thickness or similar linear dimensions2%

PatentTitleYear

4,591,006'Well servicing rig'1986 4,527,639'Hydraulic piston-effect method and apparatus for forming a bore hole'1985 4,477,106'Concentric insulated tubing string'1984 4,470,462'Foam and particulate material with steam for permeability alteration in subsurface formations'1984 4,459,731'Concentric insulated tubing string'1984 4,453,570'Concentric tubing having bonded insulation within the annulus'1984 4,407,369'Method and apparatus for placing a cement thermal packer'1983 4,401,160'Dome-type packoff wellhead'1983 4,399,865'Concentric steaming string downhole apparatus'1983 4,385,664'Frangible cup thermal packer assembly for cased wells'1983 4,385,663'Packerless well completion assembly'1983 4,197,910'Jet device for use in wells'1980 4,187,911'Slant hole foam cleanout'1980 4,129,308'Packer cup assembly'1978 4,124,547'Material for impression packer'1978 4,099,563'Steam injection system for use in a well'1978 4,099,564'Low heat conductive frangible centralizers'1978 4,088,191'High pressure jet well cleaning'1978 4,081,032'Steam deflector for use in a well'1978 4,013,124'Method for obtaining information from a well by use of a gas operated hydraulically actuated wire line packer'1977 4,003,581'Field dressable inflatable packer'1977 3,983,906'Impression packer sleeve'1976 3,982,324'Method of determining actual size of flow openings in a tubular member located in a well'1976 3,963,654'Impression material for use in an impression packer'1976 3,960,212'Method of obtaining impression information from a well'1976 3,960,211'Gas operated hydraulically actuated wire line packer'1976 3,960,014'Method of obtaining permeability information from an underground formation penetrated by a well'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1986Patents assigned to CHEVRON RES (26)· patent assignee history

1976–1986Based in Bakersfield, CA, US· patent location history

1985Patents assigned to BECHTEL NATIONAL CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHEVRON RES	26	1976–1986
BECHTEL NATIONAL CORP	1	1985

Locations

Location	Patents	Span
Bakersfield, California, US	27	1976–1986