A vessel used to separate and meter relatively small quantities of oil and gas. Test separators sometimes are equipped with different meters to determine oil, water and gas rates, which are important to diagnose well problems, evaluate production performance of individual wells and manage reserves properly.

Equipment Details

Manufacturer:  NCS
Model:  Frac Sleeve
Size/Dimensions: 5-1/2” 17# P110 BTC
Year of Manufacture:  2012+
Location:  Texas

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As unconventional resources development has evolved, it is clear that the key to maximum reservoir drainage is a systematic drilling pattern and an efficient field frac network that achieves maximum connectivity to the formation. This requires as many wells as possible on a given acreage, and as many stages per well as possible, without communication between stages and between wells. To achieve this, frac spacing must be exact and frac dimensions must be uniform.

Unfortunately, it is impossible to achieve either consistent frac spacing or uniform frac volume using plug-and-perforate, currently the most popular method, or with open-hole packers and ball-drop sleeves.

Equipment Benefits

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The limitations of plug-and-perf are well known and documented. This technique attempts to stimulate multiple perforation clusters simultaneously, with no control over which clusters actually fracture and how big each fracture is. Variable frac gradients along the lateral ensure that all fracs are not equal. Studies using radioactive tracers have revealed that many clusters are not stimulated at all, while others receive varying amounts of treatment (see SPE 144326). A study of production logs (SPE 144326) confirms that finding, concluding that a about a third of all perforation clusters do not contribute to production. Furthermore, the uneven stimulation indicates uncontrolled frac dimensions.

When multiple parallel wellbores are completed using plug-and-perf, the effect of the variable, frac pattern is multiplied, with gaping areas of the formation unreached by the stimulation.

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With ball-drop sleeves and open-hole packers, frac ports are precisely located, but fracs are not. With an uncemented annulus, the frac or fracs can initiate anywhere between packers, or even at a packer, where the formation is already stressed.

Another identified shortcoming of open-hole packers is inter-stage communication, leading to even more uncertainty about frac placement and frac volume. In one field, pressure measurements during completion of 13 wells confirmed communication around packers in 80 of 185 stages (43%).

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With Multistage Unlimited technology, you know where the fracs initiate and you know exactly how much proppant is in each frac. With cement sealing the annulus, fracs initiate only at the sleeve ports, exactly maintaining the designed stage spacing.

Multistage Unlimited technology also helps control frac growth. For each stage, actual frac-zone pressure can be monitored in real time via the coiled tubing string (deadleg) while the frac is pumped down the coiled tubing/casing annulus. By observing the formation’s pressure response, pump rate and sand loading can be adjusted on the fly.

Conclusion

Multistage Unlimited technology delivers the most efficient frac network for maximum reservoir drainage.

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Loadout & Yard Info

1. Payment: Payment in full is required within 3 days of the invoice date. Acceptable payments: Wire Transfer, Cashiers Check.
2. Loading Requirements: Purchaser is responsible for all loadout expenses (cranes, man-lifts, sky tracks, operators, riggers etc.) including shipping and logistics and shall contract and pay any associated costs directly with contractors.
3. Safety Requirements: Safety Glasses, Hard Hats, Steel Tip Boots Required on all Free Oilfield Quote loadout locations.
4. Warranty Information: This Item is being sold AS IS-WHERE IS with NO WARRANTY expressed or implied.
5. Removal Policy: Items must be removed 10 days after the invoice is generated unless otherwise agreed to in writing . Unclaimed items beyond the removal deadline are subject to additional fees and/or forfeiture.
6. Removal Deadline: 10 days after the invoice is generated.

Buyer Requirements

• Buyers are HIGHLY SUGGESTED to examine all items prior to removing them from the location. If the item differs significantly from how it was represented in the lot description, the Buyer must contact Customer Care prior to removing.
• Buyer must schedule an appointment with the yard prior to removal.
• The Buyer is required to remove all purchased items from the seller's location by the removal deadline. Failure to do so may result in the buyer being assessed fees in the amount of $50.00 per day by the Seller and/or the Company. Any storage fees owed must be paid directly by the buyer and are the buyer’s sole responsibility.

This Item is being sold AS IS WHERE IS. There is no customs, export, or import assistance is available from our Company, the Seller, or the Storage Location. Our Company, Seller, and Storage Location expressly disclaim the appropriateness of this item to be exported from, or imported to, any country. Shipping, logistics, transportation, loading, customs, export, and import activities, and all associated costs, are the sole responsibility of the Buyer.