EP 2180138 A3 20111026 - Injection of gas to increase the production of crude oil sources
Title (en)
Injection of gas to increase the production of crude oil sources
Title (de)
Injektion von Gas zur Erhöhung der Ausbeute von Rohölquellen
Title (fr)
Injection de gaz pour augmenter le rendement de sources de pétrole brut
Publication
Application
Priority
- DE 102008052465 A 20081021
- DE 102009038444 A 20090821
Abstract (en)
[origin: EP2180138A2] The method involves inserting a pipe into a crude oil-containing rock or earth layer, and injecting a technical gas for the purpose of an increased conveying of crude oil from the crude oil-containing rock or earth layer. The gas is introduced as compression waves with a speed that is sufficient to produce a turbulent flow of the gas in channels of the rock or earth layer. The duration of the compression waves is varied and selected between 3 minutes and 3 hours. An initial pressure of the pressure wave amounts to 10 bars higher than a rock pressure in the rock or earth layer.
IPC 8 full level
E21B 43/16 (2006.01)
CPC (source: EP US)
E21B 43/168 (2013.01 - EP US)
Citation (search report)
- [X] US 3759329 A 19730918 - ROSS S
- [X] US 4610304 A 19860909 - DOSCHER TODD M [US]
- [X] US 4516636 A 19850514 - DOSCHER TODD M [US]
- [X] US 4456069 A 19840626 - VIGNERI RONALD J [US]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
EP 2180138 A2 20100428; EP 2180138 A3 20111026; BR PI0904210 A2 20100914; DE 102009038444 A1 20100422; DE 102009038445 A1 20100422; EA 200901269 A1 20100830; MX 2009011336 A 20100517; US 2010096146 A1 20100422; US 2010206556 A1 20100819
DOCDB simple family (application)
EP 09011516 A 20090908; BR PI0904210 A 20091021; DE 102009038444 A 20090821; DE 102009038445 A 20090821; EA 200901269 A 20091020; MX 2009011336 A 20091020; US 57986509 A 20091015; US 58052409 A 20091016