Apparatus and method of well preparation for chemical treatment of produced fluids

Patent · Tue Jan 20 04:00:00 EST 1987

OSTI ID:6822811

Spriggs, D M; Mc Glothen, J R

This patent describes an apparatus for use on the lower end portion of a string of tubing located in the casing of a production well for chemical treatment of fluid pumped from the well through the tubing, comprising a tubing anchor having: a tubular mandrel with upper and lower connectors adapted for connection within the tubing string, a tubular anchor cage concentrically spaced around the mandrel and connected to one of the connectors, slips angularly spaced from each other around the mandrel within the cage and being movable radially outward thereof to embed in the casing, and first and second spaced setting heads connected to the mandrel between the connectors with the slips being disposed between the setting heads and including axially spaced wedging surfaces. A method is described for installation of well apparatus for chemical treatment of produced fluids comprises the steps of lowering a tubing anchor to a selected position in a well with a collection chamber for a pump at the lower end of the well tubing extending into the well fluid to be produced, and connecting a chemical injection line to the side of the well tubing with an outlet of the injection line disposed within the collection chamber.

• Assignee: Dresser Industries, Inc., Dallas, TX
• Patent Number(s): US 4637469
• OSTI ID: 6822811
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ADDITIVES
ANCHORS
CONDUCTOR DEVICES
CONNECTORS
DRILL PIPES
DRILLING EQUIPMENT
ELECTRICAL EQUIPMENT
ENERGY SOURCES
ENGINEERING
EQUIPMENT
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUELS
HOISTING
INCIDENCE ANGLE
MATERIALS HANDLING
OIL WELLS
PETROLEUM
PIPES
PUMPING
PUMPS
RESERVOIR ENGINEERING
RESERVOIR FLUIDS
SPACE DEPENDENCE
WELL CASINGS
WELL COMPLETION
WELLS