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1. WO2017027725 - HOT WATER RECYCLE FOR PARAFFIN CLEANOUT

Publication Number WO/2017/027725
Publication Date 16.02.2017
International Application No. PCT/US2016/046593
International Filing Date 11.08.2016
IPC
E21B 37/00 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
37Methods or apparatus for cleaning boreholes or wells
E21B 33/068 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
33Sealing or packing boreholes or wells
02Surface sealing or packing
03Well heads; Setting-up thereof
068having provision for introducing objects or fluids into, or removing objects from, wells
E21B 37/04 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
37Methods or apparatus for cleaning boreholes or wells
02Scrapers specially adapted therefor
04operated by fluid pressure, e.g. free-piston scrapers
E21B 37/06 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
37Methods or apparatus for cleaning boreholes or wells
06using chemical means for preventing or limiting the deposition of paraffins or like substances
E21B 43/12 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
12Methods or apparatus for controlling the flow of the obtained fluid to or in wells
CPC
E21B 37/06
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
37Methods or apparatus for cleaning boreholes or wells
06using chemical means for preventing, limiting ; or eliminating; the deposition of paraffins or like substances
Applicants
  • CONOCOPHILLIPS COMPANY [US]/[US]
Inventors
  • WILSON, Dennis Ray
Agents
  • BERGER, Michael D.
Priority Data
15/234,67711.08.2016US
62/203,66611.08.2015US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) HOT WATER RECYCLE FOR PARAFFIN CLEANOUT
(FR) RECYCLAGE D'EAU CHAUDE POUR ÉLIMINATION DE LA PARAFFINE
Abstract
(EN)
A method of removing paraffin deposits from downhole tubing, pumps and valves is provided using hot water and recycling the hot water to allow continual intermittent cleaning throughout the lifespan of the well.
(FR)
Cette invention concerne un procédé d'élimination des dépôts de paraffine à partir d'un tubage, de pompes et de vannes de fond, mettant en œuvre de l'eau chaude et recyclant l'eau chaude pour permettre de nettoyage continu par intermittence tout au long de la durée de vie du puits.
Also published as
Latest bibliographic data on file with the International Bureau