Tuesday, 16 July 2019

Special Products

Institute of Drilling Technology Research Plans

Nano-based drilling fluids

Title

  • One way to engineer superior high temperature may be through the use of nano-based drilling fluids. Among other possible applications, nanotechnology presents an opportunity for enhanced performance with respect to transport phenomena. The nano-based drilling fluids improve the drilling penetration rate, cleaning, lubrication, and cooling for the drill bit will also be quantified.

Description

  • · Widely used in upstream industries

  • · Used in the preparation and selection of drilling fluids additives

  • · Using of the nano-based drilling fluids as a stabilizing of wellbore

  • · Stabilization of drilling fluid to the operational pollution

Applications

  1. Nanofluids used in drilling mud is being looked at as a solution to ultra deep drilling fluid

  2. Nanoparticles added at a low weight percentage can have a big impact in the drilling fluid

  3. The suspension of nanoparticles can provide enhanced stability against sedimentation along with better thermal, mechanical, electrical, and magnetic properties

  4. Customizable for the situation and geography/region

  5. Improvements will enable access to deeper, hotter regions in high grade formations where oil cannot currently be reached

Achievements

 

Aphron Based Drilling Fluids

Title

Due to their higher pore pressures, formations above and below these producing zones need to be stabilized by fluids with higher density. However, an exposure of a depleted zone to the required high-density fluid can cause a significant loss of the whole fluid and differential sticking. Furthermore, uncontrollable drilling fluid losses are at times unavoidable in the large fractures of these formations. So it is difficult to drill such zones economically and safely by means of conventional rig equipments. Underbalanced drilling may be an alternative, but the extra time and equipments can greatly increase the cost of the operation. Recently, a new drilling fluid technology has been developed in an attempt to eliminate just these discussed problems. This novel technology is based on aphrons uniquely structured micro-bubbles of air. The air used to generate aphrons is usually incorporated into the fluid with conventional fluid-mixing equipment at ambient pressure, thereby reducing costs and safety concerns associated with conventional air and foam drilling operations. In this project, it is presented the design and properties of aphron drilling fluids, and discuss how the fluid characteristics work together to provide superior performance in drilling operations that have a high risk of lost circulation.

Description

  • · Drilling low-pressure/low-fracture-gradient sections

  • · Drilling fractured and highly permeable sections

  • · Reservoir drill-in applications

  • · Drilling normal and low-pressure sections (high density applications)

Applications

  1. Designing of aphron-based drilling fluid formulations containing surfactants, polymers and nano-additives

  2. Reducing mud loss circulation into formation in low-pressure reservoirs

  3. Improving of the aphron-based drilling fluid stability by using the nano-additives

  4. Reduce the possibility of damage to the formation and simultaneous removal of H2S in the well using this type of fluid

Achievements

 

Nano-fluids with special performance

Title

Nanofluids can be designed by adding nanosized particles in low volumetric fractions to a fluid. The nanoparticles improve the fluid’s rheological, mechanical, optical, and thermal properties. Suspensions of nanosized particles may provide the following advantages: (1) Nanosized particles can have enhanced stability against sedimentation since surface forces easily balance the gravity force, and (2) Thermal, optical, mechanical, electrical, rheological, and magnetic properties of nanoparticles, which depend significantly on size and shape, can be customized during manufacture and are often superior to the base material.

Description

  • · Heat transfer

  • · Drag reduction

  • · Binding ability for sand consolidation

  • · Gel formation

  • · Wettability alteration

  • · Corrosive control

Applications

  1. Increase the static thermal conductivity

  2. Non-linear relation between thermal conductivity and concentration of nano-materials in fluids.

  3. Extremely dependence of thermal conductivity on temperature and a Dramatic increase in the critical heat flux.

  4. Selecting the best candidate for the production of nano-fluid-based cooling fluid

Achievements

 

Carbonic and Metal Oxide Nano Additive

Title

With the development of nanotechnology, the size of the additives can be reduced to a nanometer scale, and the reduced size can enhance the suspension performance, specific surface area, and heat transfer performance of the additives. Nanoadditives can be improved the drilling penetration rate, cleaning, lubrication, and cooling for the drill bit will also be quantified.

Description

  • Drilling industry, additives preparation

  • EOR reservoirs

  • Reducing of formation damage

  • Reducing of drilling costs

  • Expanding the use of nanostructured materials in the upstream petroleum industry

Applications

  1. Increasing of clearing and lifting capacity of drilling fluid

  2. Increasing of the cutting carrying capacity by increasing carbonic and metal oxide nano additive concentration.

  3. Increasing of viscosity and stability of drilling fluids

Achievements

 

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