New Generation Float Valve Excels in Saudi Arabia

Customer Challenge

During casing operations for 9-5/8” deployment, the objective was to isolate the water sensitive Wasia and Biyadh shales and close off the lost circulation zones across the Shu’aiba formation.

Key Challenges of the Various Zone Formations:

Safaniya Formation: Caving’s & Water Influx

Lower Aruma: Shales

Wasia & Biyadh (Water Sensitive): Bit Balling

Shuaiba: Loss Circulation Zones

VES Performance

Previous Casing Shoe Depth (13-3/8”): 4225’ 9-5/8” Total Depth: 6780’

Length Drilled conventionally: 1773’ (till 5998’)

Length Drilled by CwD: 782’ (till 6780’) 12-15 BPM

VES Equipment utilized: 9.625”, 43.5 PPF, BTC, L80 FLOAT COLLARS (2 Each)

FLOAT EQUIPMENT Operation: 60 Hours

(Pick up CwD to displace first stage cement)

Case Study #2

CUSTOMER CHALLENGE

During casing operations for 13-3/8” deployment, the objective was to sut off the lost circulation in the ARUMA and WASIA formations and prevent the WASIA formation from charging the upper formations / isolate the water sensitive WASIA shales.

Key Challenges of the Various Zone Formations:

Aruma: Loss Circulation Zones

Aruma & Wasia: Tight spots / Stuck Pipe

VES PERFORMANCE

Previous Casing Shoe Depth (18-5/8”): 75’ 13-3/8”

Total Depth: 1764’

Length Drilled conventionally: 875’ (till 950’) (had complete losses at 140’).

Length Drilled by CWD: 814’ (till 1764’) =<19 BPM

VES Equipment utilized: 13.375”, 68 PPF, BTC, J55 FLOAT COLLARS (2 Each)

FLOAT EQUIPMENT Operation: 32 Hours (Pick up CWD to displacing first stage Cement)