there will be more oil
Learn how TERRATEC technologies help customers
produce more oil
More than half of the world's oil deposits being produced by flooding systems
More than 65% of oil reserves remain in the reservoir
Research of unproduced reserves, NALCO Champion
The efficiency of the water flooding system depends on how quickly the companies will extract the recoverable oil reserves, and how much oil they will leave in the reservoir.

The efficiency of most reservoir pressure maintenance systems is not optimal.

There are insufficient injection rates due to a natural decrease in permeability around injection wells.

Triple effect of T-SEISMO technology
We provide a combined impact on the reservoir, specially developed for maximum technological effect
1
Hydropulse action
The impact initiated at the wellhead due to compressed gas strikes the bottomhole well zone with an impact energy of up to 30 kJ
2
Seismic action
Initiation of alternating stresses in reservoir rock
3
Cleaning the bottomhole zone (swabbing effect)
The released littering particles are removed from the pore channels by creating a short-term powerful flow towards the well, combined with the reverse stroke of the wave of the hydraulic pulse.
1. Pneumatic strike on the column of liquid in the well, initiated at the mouth.

2. The propagation of a shock wave along a column of liquid to the bottom.

3. When the bottom is reached, a hydroimpulse effect occurs on the formation and subsequent multiple reflections from the bottom to the mouth and back.
What result get our customers using T-SEISMO?
Stability of effect
We conducted more than 230 wellsite operations, the average duration of the positive effect was 18 months.
Average growth in injectivity: 85%
Range of injectivity increase: 50-220%.
Total increase in water injection during the observation period: 15 700 cubic meters
Production growth in reacting wells: up to 30%
Additional oil production from the reacting well during the observation period: 5,700 tons of oil.
Average increase in oil production rate from the reacting well: 11.6 tons per day (actual for the marginal wells with the average production rate 10-50 tons/day).
T-SEISMO equipment
A compact equipment kit consists of a pneumatic impact module (mounted on a flange of christmas tree), reservoirs with gas active agent, a silencer tank and instrumentation. Wellhead equipment weight does not exceed 200 kg.
T-SEISMO: how it works
Technological cycle of treatment
1. Injection line shut-off, mounting pulse module at christmas tree flange.
2. A sharp blow to the fluid in the pipes by means of high-pressure gas intake (P=0.1 - 0.15 MPa).
3. Impulse and seismic oscillations in the bottomhole formation zone (lasts for about 10-12 seconds). The shock wave is reflected from the mouth and bottom several times and fades out.
4. Discharge of gas from the tubing into the silencer tank. The effect of swabbing activated. Released particles of the contaminant are carried out of the reservoir, deposited in the sump, or carried to the surface by a brief upward flow of water.
5. Unmounting tool and continuing normal water injection, observing reduced wellhead pressure and an increased injection rate.
Key advantages of T-SEISMO
We don't need coiled tubing or workover rig
All operations performing at the surface by means of the wellhead equipment.
No need to run anything in the well.
Installation of T-SEISMO tool we will carry out by own efforts.
With no well operation idling
Well treatment operations wil be performed during one day shift (several hours).
No specific preparatory operations required.
Your well may continue normal operation immediately after treatment.
Benefits of usage
The effect can be observed on production wells that previously did not respond to the optimization of the waterflood process.
The growth in production rate of the naerby wells is observed much faster in comparison to standard water flooding.
Enhances the effect of standard near-wellbore zone treatments
Can be used immediately after acid treatment.
Seismic waves push acid into cracks and pores not previously affected.
An additional path to acid due to dilatancy decompression under the influence of a hydropulse effect.
The well will not be damaged.
There was not any cases of cement stone destruction.
Does not have a critical impact on the elements of the well.
Seismic wave is formed at the wellhead.
No harm to the environment
Does not form harmful emissions and waste.
Does not violate the lithological integrity of the reservoirs.
Does not use explosives and hazardous substances.
Does not require special permissions to use.
High service mobility
Works are performed by own staff and technics.
High speed assembly and disassembly on the well.
Competitive Value
The cost of work is comparable to the prices for acid treatments.
Savings on attracting related contractors (wireline, workower, CT, etc.)
T-SEISMO: Well selection and conditions
RESERVOIR TYPE
- Terrigeneous, could be with carbonate cement and high clay content.
- Carbonate (treatment together with acid treatment or independently).
RESERVOIR PROPERTIES
- Porosity: 12% and more
- Permeability: 1mD and more
- Reservoir height: 10m+
- Oil type: light to heavy.
- Temperature: no restrictions.
- Reservoir pressure: no restrictions.
WELLBORE PARAMETERS
- Well type: Injection or production (natural flow)
- Depth (MD): up to 3600m.
- Casing and tubing timensions: no restrictions.
- Well trajectory: no restrictions.
- Fluid level: should be able to keep fluid level up to mouth during treatment
- Sump at the bottomhole: 2 meters and more
- Christmas tree: valve tightness
- Casing and tubing: no leakage
- Bottom hole: open or cased
- Perforations interval: should not be blocked by any equipment.
- Sand control: additional well flushing required
INFRASTRUCTURE
- Power supply: 380V, 2.5kW
- Wellsite accessibility: The site must be accessible for the passage of trucks.
- Liquid tanks: There should be one empty tank for discharge the well.
Have you heard of seismic, acoustic and impulse methods?
Find out how we stand apart from other technologies
-1-
Plasma/impulse technologies
We do not run anything into the well. We do not blow the wire packs or the downhole generator. T-Seismo is a pneumatic blow to a liquid from a surface. More powerful and safe.
-2-
High frequency acoustic methods
We do not use high-frequency vibrations that have low penetrating ability in reservoir conditions. Our impact is pulsed and seismic, with a frequency of only 2-8 Hz, but very high amplitude, thanks to which we provide an impact on the formation in a radius of up to 70-100m.
-3-
Hydraulical shock
methods
We do not use liquid as a working agent, because this approach has low energy, and the resulting hydraulic shocks cause great damage to the elements of the well. In T-Seismo, the working agent is a high-pressure gas — a compressible medium that avoids water hammer and provides a multiple-high impact energy precisely due to compressibility. And we use the simultaneous effect of swabbing, cleansing the pores from the released contaminating particles.
The format of the construction of our effective work:
Stage 1
Stage 1
Task setup
We ask many questions to your geologists and production engineers, delve into the task and learn about the previous experience of EOR jobs at a particular well and field as a whole. Based on this information, we form an understanding of the problem: the applicability of technology to a particular well.
Stage 2
Stage 2
Analyse and calculations
Deep immersion in problems of your wells. We analyze in more detail in order to increase the result, we offer corrections if they are necessary. We build a model and conduct a detailed simulation of the wave action.
Stage 3
Stage 3
Treatment Design Approval
You receive the ready draft of the program of works and make its coordination. The program contains all the necessary information, source data, simulation results and recommendations.
Stage 4
Stage 4
Work at the wellsite
At the date you set, we will mobilize the equipment to the well, install the equipment and perform the impact on the reservoir. We carry out the entire cycle of work at the well within a few hours; the presence of your representative is not necessary.
Stage 5
Stage 5
Effect monitoring
We strive to make our service better, and therefore we take into account all the nuances of previously completed work. For several months, together with your geologists, we monitor the effect of the well and, if necessary, make adjustments to the design of future wells to make the impact efficiency even higher.