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Well-Cleaner.

Description: Patent for improvements for cleaning oil, water, and gas wells that goes into the well and flushes out a clogged screen.
Date: August 6, 1920
Creator: Bashara, Samuel F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Drilling Rig.

Description: Patent, including illustrations, for "an improved well drilling rig or apparatus" which provides "a simple, efficient, and practical machine of this kind including revoluble means having a device operatively connected to a walking beam (from which a drilling tool is suspended), so that upon every complete revolution of the revoluble means, the drilling tool or bit will be given two direct drops, each alternating with the lifting movement of the drill bit" (page 1, lines 11-21).
Date: February 3, 1920
Creator: Bradford, Robert M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a pump specifically designed for oil wells to make drilling oil more efficient, lucrative, and easier to perform.
Date: April 13, 1920
Creator: Carden, David A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Method of Sampling.

Description: Patent for improving methods of boring wells by "raising the cuttings from an earth boring drill to the surface" (lines 70-71), including illustrations.
Date: July 20, 1920
Creator: Carmichael, Robert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Unscrewing Device for Pipe-Joints.

Description: Patent for an unscrewing device for pipe-joints, in the event that the drill stem gets stuck while drilling wells. This invention allows the user to unscrew "the joints of the drill stem" and withdraw "the same without the use of the left hand threaded string of pipe" (lines 35-38).
Date: March 23, 1920
Creator: Edwards, Charles R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Drill Wrench.

Description: Patent for use with oil well drills to enable easier rotation and less friction. The invention aids in quick and easy adjustments to oil well parts.
Date: January 6, 1920
Creator: Ellinger, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well Cable-Pump

Description: Patent for an improved pump that can be used in connection with deep wells and provides improved construction that alleviates the necessity of having a long line of extra pipe and the troubling pump rod.
Date: July 27, 1920
Creator: Fender, Joe N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Packer.

Description: Patent for an improved well drilling device called a "packer", in which this version has a reduced likelihood of the seals between separate parts being damaged and needing replacement.
Date: April 13, 1920
Creator: Fletcher, Harold W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pneumatic Pump.

Description: Patent for pumps for oil and water wells that can be operated by compressed air to force the water or oil out of the well.
Date: June 29, 1920
Creator: Goss, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spear

Description: Patent for a spear that is used to help withdraw or remove pipes that may get stuck in wellbores.
Date: April 20, 1920
Creator: Gray, Ellsworth
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Swivel for Rotary Drills

Description: Patent for a swivel for rotary drills used for wells of oil, water, and gas. This swivel ensures no substances, such as sand, get into the parts of the drill that move.
Date: October 5, 1920
Creator: Humason, Granville A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a pump for deep wells with a "specially constructed piston capable of a powerful working stroke and which will secure at all times a full volume of liquid at each stroke of the pumping rod." (line 25) including instructions and illustrations.
Date: July 6, 1920
Creator: Humason, Granville Allison
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump

Description: Patent for an improvement to pumps. This pump is designed to facilitate pumping of materials from deep oil and water wells.
Date: March 20, 1920
Creator: Hunt, David
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sample-Taking Device.

Description: Patent for improvements in Sample-Taking Devices, specially for drilling oil wells with the purpose of taking samples, which can be easily removed from the well without with-drawing the bit or drill stem.
Date: June 8, 1920
Creator: Huston, Sidney H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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