a. See:rigging
b. In mining, to gather the necessary tools and complete all work
preparatory to drilling. Syn:setup
c. Hardening of air-setting or hydraulic-setting mortars.
d. The act or process of setting a diamond bit. Long
Ground that has ceased to subside over the waste area of a mine and has
reached a state of full subsidence. Nelson
The lowering of the overlying strata in a mine, owing to extraction of the
mined material. See also:subsidence; differential settlement;
seat of settlement. AGI
Agreed terms on which payment for a consignment of mineral is made.
Pryor, 3
The last unfulfilled offer to sell at cash price at the close of the
second morning on the London Metal Exchange, prevails as the accepted cash
price for the metal for the succeeding twenty-four hours. Wolff
A separator; a tub, pan, vat, or tank in which a separation can be
effected by settling. A tub or vat in which pulp from the amalgamating pan
or battery pulp is allowed to settle; the pulp is stirred in water to
remove the lighter portions. Syn:pug tub
settling tank. Fay
A box or container in which drill cuttings or sludges are accumulated and
coarse materials permitted to settle. Long
A conical tank used to settle coarse solids from the circulating water.
BS, 5
A hard, brittle, pale-yellow to deep-red hydrocarbon (H:C about 1.53) in
resinous drops on the walls of a lead mine at Settling Stones,
Northumberland, U.K. See also:settling stones resin
An excavation through which mine water is conducted in order to reduce its
velocity, thus allowing sediment to settle and to be cleaned out from time
to time. Also called dredge sump; settling sump (undesirable usage).
BS, 10
A pond, natural or artificial, for recovering the solids from washery
effluent. BS, 5
Drillers' term for friable sandstone that caves into wells and settles
around the bit. AGI
A resinoid, hard, brittle substance possessing a pale yellow to deep red
color, a specific gravity of 1.16 to 1.54, and burning in a candle flame.
It was found in an old lead mine in Northumberland, England.
See also:settlingite
a. A reservoir or tank into which the return water from a borehole
collects and the entrained drill cuttings settle. Long
b. A tank in which pulp is held while solids settle from suspension. Also
called thickener; settler. Pryor, 3
A vat in which particles of ore are allowed to settle. Fay
The rate at which suspended solids subside and are deposited.
Syn:full velocity
a. In surveying, location of theodolite above a station point.
Pryor, 3
b. In drilling, location of machine. Pryor, 3
c. See:setting up; rigging; rig; rig-up.
The quantity of diamonds set in a bit, expressed in carats. Long
a. Separation of a mineral or royalty interest from other interests in the
land by grant or reservation. A mineral or royalty deed or a grant of the
land reserving a mineral or royalty interest, by the landowner before
leasing, accomplishes a severance, as does his execution of an oil and gas
lease. Williams
b. See:liberation
A State tax imposed on the severing of natural resources from the land
based on the value or quantity of production. These types of taxes are
usually calculated either as a flat rate per unit of production (sometimes
called a "unit" or "specific" severance tax), or as a percentage of the
value of the resource produced (sometimes called an "ad valorem" or
"percentage" severance tax). The tax base for an ad valorem severance tax
is generally either the gross or net value of resources produced or sold.
SME, 1
These are lands where the surface estate is held by one party and the
mineral estate is held be another. The owner of the mineral estate
normally retains the right to enter and occupy the surface estate for the
purposes of mineral development and extraction. Also called Split Estate
Lands. SME, 1