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System and method for scale removal in oil and gas recovery...

Wells – Processes – Dissolving or preventing formation of solid oil deposit
Reexamination Certificate

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System and method for scheduling cyclic steaming of wells

Wells – Processes – With indicating – testing – measuring or locating
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System and method for selectively communicatable hydraulic...

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
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System and method for sensing a parameter in a wellbore

Wells – Processes – With indicating – testing – measuring or locating
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System and method for sensing data in a well during fracturing

Wells – Processes – With indicating – testing – measuring or locating
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System and method for sensing flow rate and specific gravity...

Wells – Processes – With indicating – testing – measuring or locating
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System and method for sensing parameters in a wellbore

Wells – Processes – With indicating – testing – measuring or locating
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System and method for separately producing water and oil...

Wells – Processes – With indicating – testing – measuring or locating
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System and method for servicing a wellbore

Wells – Processes – Placing or shifting well part
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System and method for supporting power cable in downhole tubing

Wells – Processes – Assembling well part
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System and method for the mitigation of paraffin wax...

Wells – Processes – Dissolving or preventing formation of solid oil deposit
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System and method for the production of oil from low volume...

Wells – Processes – With indicating – testing – measuring or locating
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System and method for the recovery of hydrocarbons by...

Wells – Processes – Specific pattern of plural wells
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System and method for thermal change compensation in an...

Wells – Processes – Placing or shifting well part
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System and method for thru tubing deepening of gas lift

Wells – Processes – Producing the well
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System and method for treating wells

Wells – Processes – Producing the well
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System and method for treatment of a well

Wells – Processes – Material placed in pores of formation to treat resident...
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System and method for unloading water from gas wells

Wells – Processes – Producing the well
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System and method for unsticking a tool stuck in a wellbore

Wells – Processes – Freeing stuck object – grappling or fishing in well
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System and method for well treatment and perforating operations

Wells – Processes – Perforating – weakening – bending or separating pipe at an...
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