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A Systematic Approach to Better Results

No two wells are identical, which means a one-size-fits-all approach won’t suffice when it comes to high-efficiency intervention additives and methods. Nissan Chemical custom-tailors prescribed nanoActiv® treatments for well candidates to optimize the product’s efficiency for each specific well. The protocol includes identifying well candidates, compatibility testing, a petrophysical analysis, 3rd-party lab validation, prescriptive treatment, and post-treatment analysis.

 
Step 1: Identify Well Candidates
The operator will select well(s) they want to have tested for compatibility with nanoActiv®.

Step 2: Compatibility Testing
A well is first analyzed to see if it is a fit for nanoActiv®. The analysis is based on screening criteria, which includes production and geologic parameters. Compatibility testing is then carried out for each well in consideration. This consists of testing the formation water, oil, additives, etc., for any adverse effects with the nanoparticles present in nanoActiv®. If the compatibility testing is successful, the well may be considered a candidate for treatment.

Step 3: Petrophysical Analysis
It is critical to analyze operator-provided petrophysical logs in the well that’s being considered. This will help develop a better understanding of the formation of interest in terms of wettability, permeability, oil and water saturations, and lithology.

Step 4: 3rd-Party Lab Validation
nanoActiv® technologies are innovative and new to the oil and gas industry. In many cases, the operator will want to qualify nanoActiv® before they decide to use the technologies in their wells. For these purposes, validation testing may occur either at the NCA lab or third-party labs. The NCA lab can carry out column testing, Amott Cell testing, IFT measurements, etc. More specific testing will likely occur at an NCA-approved third-party lab facility.

Step 5: Prescriptive Treatment
Once the lab testing phase is complete, the operator and the technical personnel at NCA will be involved in the well treatment design. The petrophysical analysis will help determine the grade and concentration of nanoActiv® considered to be the most efficient for the particular well in consideration.

Step 6: Post-Treatment Analysis
Finally, an NCA distributor will be present in the field to make sure the nanoActiv® technologies are pumped as specified in the well design. The application of the nanoActiv® technologies is considered just as crucial as the determined treatment specifications.

When treated with nanoActiv®, operators can expect a dramatic increase in recovery by reaching further into the fracture network to retrieve oil that was previously inaccessible. This eliminates the need to plug and abandon wells that still have oil remaining.

In May 2018, a candidate well, which had been completed into the Wolfcamp in 2006, was treated with 1,500 gallons of nanoActiv® HRT. In over 7 months, the well has seen a net additional production of more than 1,550 BOE (20:1). Oil production had stabilized around 9 bbl/d for the first 5 months after treatment and around 8 bbl/d after 7 months. Daily oil production has sustained more than double BOPD for 7 months post-treatment and counting. Gas has fluctuated between 80-90 mcf/d on average post-treatment.



 

 




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