Method for providing treatment chemicals in a subterranean well
First Claim
1. A method of delivering a chemical into a wellbore comprising providing the chemical in a solid slow-release form, introducing the chemical in a meshed- or mesh-like re-usable basket container through which produced fluids can flow without being significantly impeded, and locating the container with the chemical in the wellbore, wherein said container in the wellbore is suspended in the path of the produced fluids, wherein said basket container is comprised of sides comprised of mesh and wherein said solid slow-release chemical is held in the basket container by the mesh.
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Accused Products
Abstract
A method of delivering chemicals such as scale inhibitor into a wellbore producing fluids includes providing the chemicals, in a slow-release form, in a container located in the path of the production fluids so that the production fluids pass through the container. Preferably, the container is suspended in the production tubing and periodically retrieved from the well to be refilled.
71 Citations
16 Claims
- 1. A method of delivering a chemical into a wellbore comprising providing the chemical in a solid slow-release form, introducing the chemical in a meshed- or mesh-like re-usable basket container through which produced fluids can flow without being significantly impeded, and locating the container with the chemical in the wellbore, wherein said container in the wellbore is suspended in the path of the produced fluids, wherein said basket container is comprised of sides comprised of mesh and wherein said solid slow-release chemical is held in the basket container by the mesh.
Specification