Mobile cement mixing and delivery system for downhole wells
AssigneeT-Rock Ct Services Ltd.
InventorsMyles Martin, Randy Martin
Life of this patent
Estimating the term…
Abstract
An all-in-one mobile wellsite service unit for providing equipment and services at an oil and gas well related to well abandonment is provided. The mobile unit comprises a water storage tank, at least one cement mixing barrel for mixing a cement slurry, a progressive cavity pump for pumping the cement slurry, and a hydraulic hose for connecting to a hydraulic power source to provide power to the cement mixing barrel and the progressive cavity pump. The mobile unit may also contain downhole tools needed for well abandonment, including a well cleaning tool, a cementing tool, a hydraulic packer, and more.
Claims17
A mobile wellsite service unit comprising:
- an enclosed mobile unit having walls, and within the walls of the mobile unit containing:
- a tool cleaning and repair area including a workbench and a cleaning tank;
- at least one water storage tank;
- and
- at least one cement mixing barrel for mixing a cement slurry, each cement mixing barrel having:
- an inlet for receiving water from the at least one water storage tank;
- a mixer within the barrel for mixing cement within the barrel to form the cement slurry;
- a drain for draining the cement slurry from the at least one cement mixing barrel;
- a trough for receiving the cement slurry from the drain of each cement mixing barrel of the at least one cement mixing barrel;
- and
- a pump connected to the trough for pumping the cement slurry from the trough to outside the enclosed mobile unit.
A mobile wellsite service unit for providing equipment and services related to oil and gas well abandonment, the mobile wellsite service unit comprising:
- an enclosed mobile transport unit containing:
- a tool cleaning and repair area including a workbench and a cleaning tank;
- at least one water storage tank;
- at least one open-top, non-pressurized cement mixing barrel having a first hydraulic motor for mixing a cement slurry, the at least one open-top, non-pressurized cement mixing barrel having a drain for draining the cement slurry from the at least one open-top, non-pressurized mixing barrel;
- a trough for receiving the cement slurry from the drain of the at least one open-top, non-pressurized cement mixing barrel;
- and
- a pump connected to the trough for pumping the cement slurry from the trough to a wellbore.
Dependencies are inferred from the claim text.