"ملف 82/27 VIII F 91 نفط قطر" [و‎‎٢‎١‎٠] (٤٦٨/٤٣٦)

H ATURE OF OPERA TIONS & EQUIPMENT TO BE USED .
The Company^s Geologists in conjunction with the
Ruler selected the sites for the two wells, one near the
Shaikh f s garden at Dohah and one near his garden at Riyan.
It was onsidered by the geologists and water experts
that artesian water would be got at approximately the Bah
rain level and not irare than about 500 ft. but the driller
was prepared to go to 1000'. For this purpose EDEC0
equipment (English Drilling Equipment Co») was to be used*
The rig and derrick are of the cable tool or percussion
type operated by a Blackstone engine#
The possibility of finding artesian water was al
ways mere conjecture with the very liiaited information
on Qatar available,
DESCRIPTI0M OF THE SEASON*S WORK *
(a) No. 1 Well# Dohah ,
This was spudded in on December 8th. At a
depth of 85 feet the hole caved in on the teailer
burying it and the well ijas abandoned, the rig being
skidded 18 feet north to drill a new hole,
fa) Ho. 1A W ell. Dohah .
This well was spudded in on December SSnd.
Salt water was encountered at 22 feet.
At 312 feet a large show of sulphur-salt water
was met and the water level was S6 feet from the surface.
At 370 feet water rose to 15 feet from the surgace. At
400 feet to 7 feet. At 450 feet the hole started caving.
Sard was now giving serious trouble and the well was
finally abandoned at 486 feet.
From the surfact t» 435« limestone and shale was
encountered; from 435« to 486» sandstone and sand.
No/-