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Shale Inhibitor for Drilling Fluids
What Is Shale inhibitor
Select a shale-control additive according to the formation, drilling-fluid formulation and operating conditions. Asphasol and Aquasol are separate products; evaluate each grade against its own technical data sheet. ONE-SHIELD is a separate multifunctional drilling additive and should be assessed against the intended treatment objectives.
At our production centre we have the flexibility to filter and add to the products to cater for customer requirements.
Confirm base-fluid compatibility, salinity, pH, operating temperature and dosage with the technical team. Laboratory evaluation of the intended formulation is required before field use; compatibility with every WBM, OBM or SBM system should not be assumed.
Why ONE-Shield
Assess the selected grade against the following treatment objectives. Results depend on the formulation, formation and operating conditions:
- Controls fluid loss and seepage
- Stabilizes shales
- Prevents lost circulation
- Strengthens the wellbore to increase wellbore stability
- Minimizes differential sticking
- Promotes effective filter cake development
- Performs in oil- and water-based drilling muds
- Performs in HP/HT environments
- Increase lubricity
- Minimizes HSE risks
ONE-SHIELD Evaluation and Compatibility
ONE-SHIELD forms a physical and chemical bond with permeable formations, creating an effective seal to prevent the passage of drilling fluid. By uniquely functioning as both a malleable and solid plugging agent, ONE-SHIELD controls fluid loss and seepage, prevents lost circulation and protects reactive and low-reactive shale surfaces, even at elevated bottom hole temperatures. HPHT Environment HP/HT wells, shales and under pressured zones requires specialized drilling fluids and wellbore-strengthening techniques. Adding ONE-SHIELD to an OBM, SBM or WBM strengthens the well by:
- Reducing pore pressure transmission and sealing micro-fractures in shale and low-porosity sands
- Keeping interbedding formations intact
- Developing effective filter cake
- Providing a “smear effect” that creates a continuous protective sealant along the wellbore wall