SAND-POINT FOR WELL-DRILLING.EDWARD MASTER
Well methods are descibed using small diameter tubing introduced into and withdrawn from the well by an injector apparatus, for removing sand bridges from wells. The tubing is introduced into and withdrawn from the well by the injector from a tubing-holding reel. Introduction of an inert gas (...
The article describes the development of wellpointing, a flexible system for preventing water entering into excavations by drawing down the water table using wellpoints a brief history of the development of various types of pumps used for wellpoint dewatering is given. The two main types of well...
An oil well is producing from an undersaturated reservoir that is characterized by a bubble-point pressure of 2,130 psig. The current average reservoir pressure is 3,000 psig. Available flow test data show that the well produced 250 STB/day at a stabilized pwf of 2,500 psig. Construct the...
Measures of the boundary layer thickness are in good agreement with those predicted using an equation formulated for the boundary layer thickness over fixed beds. Velocity data have been combined with concentration data to produce time-dependent sand flux profiles covering the sheet flow and suspension...
Sand filters are widely used for well water purification in endemic arsenicosis areas, but arsenic (As) removal is difficult at low intrinsic iron concentrations. This work developed an enhanced sand filter by electrochemically generated Fe(II) from an iron anode. The efficiency of As removal was...
Nowadays,we are used to opening an app to skim public reviews for reference before going to a restaurant.If it has a score of 4.8 or above on a 5-point scale,the restaurant 56 (guarantee)to be a good choice;but if it is a 4 or even le...
The best way to experience the entire length of the spit is on a 4WD safari. You'll find tour operators in nearby Collingwood, and it is worth choosing a tour that incorporates a visit to Cape Farewell, the northernmost point of the South Island. If you’re lucky, you may even see ...
A downhole mixing tool and method for removing sand and other debris from a wellbore which combines the sand with a treatment fluid so that the sand is lif... RA Armell,RA Cooper 被引量: 0发表: 2017年 Tools for delivering fluid to spaced levels in a wellbore A well tool for delivering...
As the horizontal stresses become more anisotropic, the point of fracture initiation shifts to the surface of the core, and saddle-shaped core disks are possible. Such fractures strike in the direction of the most compressive in-situ horizontal principal stress. Increasing the magnitude of the ...