Hydro-Impact TM Stimulation Services Applied Seismic Research
Corporation
Slide 2
Industry Comments first departure from variants on conventional
stimulation methods (thermal, polymer, chemical, microbial) to be
introduced commercially since the 1970s. JPT Technology Update,
April 2005 technology has the potential to provide a low-cost
procedure for enhancing oil recovery in depleted fields and making
it economically feasible to restore wells previously considered for
abandonment as well as increase production in currently producing
fields. seismic stimulation technology may apply for a wide range
of reservoirs, from varying water-cuts and large amounts of
immobile oil, virgin lower- gravity consolidated-sand oil
reservoirs where predicted recoveries are low (Alaska), to improved
water injection and water flood sweeps. Dr. Ernie Majer, Dir.
Lawrence Berkeley Nat. Lab. Geophysics I think this is pretty
exciting stuff, Texas Railroad Commissioner Charles Matthews,
October 2004.
Slide 3
The Hydro-Impact TM Tool Installs and Operates Similar to a
Conventional Tubing Pump
Slide 4
Shockwaves are Created by Compressing Wellbore Fluids A
Hydro-Impact Tool creates 2 to 10 million- watt shockwaves at the
reservoir datum ASR Seismic Stimulation increases production and
recovery over substantially large areas of a reservoir. The Texas
Railroad Commission recently certified ASRs Seismic Stimulation as
an EOR process granting a producer a 4.8% tax relief on TOTAL field
production within a three quarter mile radius of each tool.
Slide 5
Shockwaves Enhance Recovery and Increase Production by
Mobilizing Oil in Two Ways:
Slide 6
Shockwaves are Analogous to Downhole Earthquakes in Your
Reservoir Group of 26 Wells to the Northwest that responded to both
the earthquake events of Sept-Oct 1999 and to ISS Group of 5 Wells
to the Southeast that did not respond to either the earthquake
events or to ISS Diatomite
Slide 7
Shockwaves Travel over VERY Long Distances Both Vertically and
Horizontally Sandstone
Slide 8
It is NOT Distance from the Source that Matters, it is the
Presence or Absence of Unswept Oil Diatomite Source located 200
feet from responding well Source located 1200 feet from responding
well
Slide 9
By Covering Such Large Reservoir Areas Enhanced Oil Recovery
and Increased Oil Production Can Occur in Large Groups of Wells
Sandstone
Slide 10
It Works by Shifting Relative Phase Permeability Towards Oil -
In this Field 6 Dewatering Wells Become Prolific Oil Producers
Sandstone
Slide 11
Shifting Relative Phase Permeability Towards Oil Improves Oil
and Reduces Water Production Diatomite
Slide 12
Seismic Stimulation ALSO Increases Injectivity - Injecting
Water in New Oil-Bearing Strata Carbonate
Slide 13
Resulting in Increased Oilcut and Oil Recovery Carbonate
Slide 14
Changes in Recovery Can Be Long-Lasting but Re-stimulation
Shows the Best Use of Seismic Stimulation is on a Continuous Basis
Diatomite
Slide 15
Permanent and Non-Permanent Stimulations Initial Testing of the
First Design In Samotlor Field Russia proved that in-situ seismic
stimulation does work and even after the stimulation was removed,
in this field it made a permanent change in oil production In early
US testing of the First Design the technology proved that for this
particular field oil production increased during in-situ seismic
stimulation, but quickly returned to the prior decline after
stimulation stopped
Slide 16
Fields Where Seismic Stimulation did not Work The computer
model ranked this field as a good candidate but use of a single
Second Generation tool did not create sufficient power to yield
results use of several of our current Third Generation Tools would
create the expected increases to oilcut and production as predicted
by the computer program. The computer model ranked this field as a
poor candidate, having few unswept sublayers subsequent stimulation
proved this to be the case as oilcut did not change
appreciably.
Slide 17
Will Seismic Stimulation Work in My Reservoir? The Answer is
free ASR has a computer program for the qualitative determination
of oil field suitability to seismic stimulation. The data required
by our computer model are: Cumulative oil and water production for
the field, Monthly oil and water prod. for last 3 years, Core data
analyses for at least 3 wells, Spinner surveys if available, Oil
API gravity, and Map of the field showing well type and
locations.
Slide 18
Will Operation of the Seismic Tool Damage the Pumping Unit? No.
The Pumping Unit Never Sees a Zero Load. Tool fires near top of
stroke releasing shockwave. Load ~ 10,000 lbs Compression occurs
during upstroke.
Slide 19
The Tool Shipped in 3 Sections Assembled by a rig crew using
standard equipment
Slide 20
Should You Try it in Your field? If the following conditions
are met: FIRST, we advise against reservoirs with GORs greater than
2,200 scf/stb and/or reservoirs with API gravities less than 15,
SECOND, based on our computer model results, we would advise
against fields where seismic stimulation could provide less than
10% increase in oil production and oilcut, and THIRD, economics we
suggest using a 5 - 10% increase on TOTAL oil production within a
to mile radius of the seismic source to determine if the
expenditure is justified, then, We encourage you to try it -