Downhole Jetting Tool takes samples, restores production
WELL TYPEOil producer
Client wanted to get a sample of fill and fluid blocking the screens and from that find suitable chemicals to flush screens with to re-open flow path from reservoir.
Welltec proposed an approach that would fulfill clients wishes in two runs:
- Sample both solids and liquids at Target Depth (TD) using Well Cleaner® Downhole Jetting Tool (DJT) with new valve setup.
- Convey suitable chemicals down to TD with Well Cleaner DJT, and flush the screens with chemical and well fluid to re-open screens.
Introducing the Well Cleaner DJT as a sampling tool of both liquid and solids in separated chambers.
Introducing the Well Cleaner DJT to be a safe and efficient tool to convey chemicals to be precisely spotted at screens to flush and re-open them.
Kept the DJT running while moving over the screens, doing stations every 3 meters lasting two minutes each to let the penetrate properly. Repeated sequence twice while flushing well fluid mixed with the surfactant.
Using the Well Cleaner DJT to spot and flush suitable chemicals right in front of screens, with no injectivity, proved to re-open screens and get the well back on production.
The DJT reduced the volumes of chemicals needed and saved the client from what they expected to be a much bigger clean out job.
The Well Cleaner Downhole Jetting tool (DJT) is an efficient, e-line conveyed, surface-controlled method for jetting fluid downhole. Its innovative design can quickly create a large diameter hole in hydrate or wax plugs.