Oilfield Chemical Injection System and Method of Use
Patent Number: US 11162328 Grant Date: 2021-11-02 Filing Date: 2019-02-11
Overview
This patented oilfield injection solution delivers an integrated, skid-mounted system that automatically samples produced fluid, measures bacterial and chemical composition, and meters tailored chemical blends back into the well. Filed on February 11, 2019 and granted on November 2, 2021, the claimed technology combines multiple chemical storage tanks, dedicated electric pumps, flow meters, an explosion‑proof actuated three‑way valve, and a bacteria monitor under centralized control. Inventors based in Denver City, TX and Monterrey, MX designed the architecture to recycle production water, reduce truck dependence, and allow responsive on-site treatment driven by real‑time monitoring. The firm’s drafting highlights both practical field advantages and safety-conscious design choices that limit pressure-related hazards and environmental exposure. The prosecution emphasized metering, control logic, and mechanical segregation of tanks to mitigate overpressure and explosive risk — reflecting deep technical and claim-crafting expertise from our team.
Key Features
- Automated sampling and bacteria monitoring with control-panel feedback
- Multiple chemical tanks with individual electrically driven pumps for targeted treatments
- Electric flow meters for both chemical dose and production measurement
- Explosion‑proof actuated three‑way valve and relief switches for safety and pressure protection
- Skid-mounted layout for compact field deployment and truck‑replacement capability
By integrating responsive monitoring, precise metering, and explosion‑resistant control, the invention materially improves operational efficiency, water conservation, and safety for oilfield operators, with clear applicability across production and well intervention workflows.
Invention Details
Abstract: An injection method of use for treating a production fluid from a wellhead. An injection system comprising a chemical tanks, a skid assembly, a bacteria monitor, and a control panel. An actuated three-way valve selectively opens and closes to allow a portion of the production fluid into the bacteria monitor. The injection system adapted to selectively open the actuated three-way valve to receive a portion of the production fluid from the wellhead, receiving a portion of the production fluid from the wellhead, monitoring a chemical composition of the production fluid, selectively adding a mixture of chemicals from one or more chemical storage tanks into the production fluid, injecting the resulting mixture back into the wellhead, and monitoring the production fluid and modifying mixtures from the one or more chemical storage tanks and/or closing the actuated three-way valve according to a desired mixture.
Summary of the Invention: An injection method of use for treating a production fluid from a wellhead. An injection system comprising a chemical tanks, a skid assembly, a bacteria monitor, and a control panel. An actuated three-way valve selectively opens and closes to allow a portion of said production fluid into said bacteria monitor. Said injection system adapted to selectively open said actuated three-way valve to receive a portion of said production fluid from said wellhead, receiving a portion of said production fluid from said wellhead, monitoring a chemical composition of said production fluid, selectively adding a mixture of chemicals from one or more chemical storage tanks into said production fluid, injecting the resulting mixture back into said wellhead, and monitoring said production fluid and modifying mixtures from said one or more chemical storage tanks and/or closing said actuated three-way valve according to a desired mixture.
Patent Document
Related: Mechanical Engineering | Oil & Gas | Robotics & Automation | Fluid Systems | Materials | Robotics | Safety Systems | Denver City, Texas | Shannon Warren, Patent Attorney