For drilling the deeper wells, the derrick, on account of the length of the " string " of drilling tools, is usually at least 7 o ft.
The drilling tools are suspended by an untarred manila rope, 2 in.
The use of a lighter set of drilling tools.
The drilling " crew " consists of two drillers Wel l .
After drilling had been carried to a depth of 69 feet, on the 28th of August 1859, the tools suddenly dropped into a crevice, and on the following day the well was found to have " struck oil."
The drilling of a well is commonly carried out under contract, the producer erecting the derrick and providing the engine and boiler while the drilling contractor finds the tools, and is Drill ing the responsible for accidents or failure to complete the well.
In readiness for a fracture of the drilling tools or of the cable, special appliances known as fishing tools are provided.
The operation of drilling is frequently interrupted by the occurrence of an accident, which necessitates the use of fishing tools.
After a month's vigorous drilling Hicks led 5000 of his men against an equal force of dervishes in Sennar, whom he defeated, and cleared the country between the towns of Sennar and Khartum of rebels.
The outward set of teeth drill the hole large enough to permit the drilling apparatus to descend freely, and the teeth set inwardly pare down the core to such a diameter as will admit of the body of the cutter passing over it without seizing.
At this period the supply of the raw material was insufficient to admit of any important development in the industry, and before the drilling of artesian wells for petroleum was initiated by Drake the " coal-oil " or shale-oil industry had assumed considerable proportions in the United States.
In 1771 Thomas Jefferson described a " burning spring " in the Kanawha Valley, and when wells were drilled for salt brine near Charleston petroleum and natural gas were found here before there was any drilling for oil in Pennsylvania.
If Peter really thought of taking the administration into his own hands, he very soon abandoned the idea and returned to the irregular suburban life he had led during his half- Peter the sister's regency - associating with foreigners who could Great, teach him the mechanical arts of the West, drilling 1689- troops, building and sailing boats, forming projects 1725.
Although petroleum wells in Russia have not the depth of many of those in the United States, the disturbed character of the strata, with consequent liability to caving, and the occurrence of hard concretions, render drilling a lengthy and expensive Drilling in operation.
In conclusion it may be stated that the two systems of drilling for petroleum with which by far the largest amount of work has been, and is being done, are the American or rope Comparison system, and the Canadian or rod system.
The increased mortality seems to be due to the general tendency toward forced speed in development work, which is secured by rapid drilling, and by an increase in the number of machine drills used in a single working-place.
The horse-drawn hoe is steered by means of handles in the rear, but its successful working depends on accurate drilling of the seed, because unless the rows are parallel the roots of the plants are liable to be cut and the foliage injured.
It was the year before the rebellion of 1837; the condition of the whole country was very unsettled; and it seemed well-nigh impossible to reconcile differences arising from racial and political antagonisms. During the rebellion young Macdonald volunteered for active service, but his military career never went farther than drilling and marching.
Circular nodal lines unaccompanied by intersecting lines cannot be produced in the manner described; but may be got either by drilling a small hole through the centre, and drawing a horse-hair along its edge to bring out the note, or by attaching a long thin elastic rod to the centre of the plate, at right angles to it, holding the rod by the.
In drilling for some of the first oil wells gas escaped, and in a few instances this was used as a fuel for generating steam in the boilers of the drilling-engines.
The leading features of Tull's husbandry are his practice of laying the land into narrow ridges of 5 or 6 ft., and upon the middle of these drilling one, two, or three rows, distant from one another about 7 in.
It is evident that accurate knowledge of the character and structure of the rock-formations in petroliferous territories is of the greatest importance in enabling the expert to select favourable sites for drilling operations; hence on well-conducted petroleumproperties it is now customary to note the character and thickness of the strata perforated by the drill, so that a complete section may be prepared from the recorded data.
The drilling of petroleum wells is carried on by individuals or companies, either on lands owned by them, or on properties whose owners grant leases, usually on condition that a certain number of wells shall be sunk within a stated period, and that a portion of the oil obtained (usually from one-tenth to one-fourth) shall be appropriated as royalty to the lessor.
In the metal mines of Cornwall and Devon special rules are now in force requiring the use of water in drilling, and other precautions, to lessen this danger from dust.
Diamonds are now employed not only for faceting precious stones, but also for cutting and drilling glass, porcelain, &c,; for fine engraving such as scales; in dentistry for drilling; as a turning tool for electric-light carbons, hard rubber, &c.; and occasionally for finishing accurate turning work such as the axle of a transit instrument.
So long as he could indulge freely in his favourite pastimes – shipbuilding, ship-sailing, drilling and sham fights – he was quite content that others should rule in his name.
While this is a fairly non-invasive procedure, many purists recoil from the idea of drilling anything into their guitar.
Among, the city's manufactures are refined oil, Portland cement, vitrified brick and tile, glass, asphalt, ice, cigars, drilling machinery, and flour.
1671) had proposed to teach Latin by drilling his The Greek Testa= went.
After the outbreak of the War of Independence he devoted himself chiefly to the enlisting and drilling of troops, and was chosen major of a regiment.
This park was once a national drilling ground, which was taken over by the municipality with a view to erecting upon it a new residential quarter, rendered necessary by the phenomenal growth of the city during the last twenty-five years of the 19th century.
Rock drilling is the most important industrial application; and for this, owing to its freedom from cleavage, the carbonado is more highly prized than diamond; it is broken into fragments about 3 carats in weight; and in 1905 the value of carbonado was no less than from £10 to £14 a carat.
A favorite way of indicating the eyes was by drilling two holes and inserting a white shell bead n each.
There had been some drilling in Clark county in 1865, and in 1904 this field was again worked at Westfield.
The string of drilling tools consists of two Drilling parts separated by an appliance known as the jars.
As the water is shut off before the portion of the well below the water-bearing strata is bored the remainder of the drilling is conducted with only sufficient water in the well to admit of sand-pumping.
The rotary system of drilling which is in general use in the oilfields of the coastal plain of Texas is a modification of that invented Rotary by Fauvelle in 1845, and used in the early years of the R .
The principle of this system consists essentially in the use of rotating hollow drilling rods or casing, to which is attached the drilling-bit and through which a continuous stream of water, under a pressure of 40 to loo lb.
On the completion of drilling, or when the production is found to decrease, it is usual to torpedo the well to increase the flow.
On account of the small Drilling in depth of the wells, and the tenacious nature of the Canada.
principal strata bored through, the Canadian method of drilling differs from the Pennsylvanian or American system in the following particulars: 1.
The drilling of wells of large size requires the use of heavy tools and of very strong appliances generally.
This consists in the use of an expanding reamer by means of which Drilling in the well may be drilled to a diameter admitting of the Galicia.
A little later, about 1868, successful experiments were made with gas as a manufacturing fuel, and in 1872 the gas industry was fairly well established near Titusville by drilling a well and piping the gas for consumption both as fuel and light.
Nutand bolt-making machinery, both for forging and screw cutting, operates automatically, and drilling machinery is highly specialized.
The time of drilling was reduced to 240 days for the infantry, to 300 days for the navy, while for the cavalry and artillery the time fixed was 365 days.
The band-wheel communicates motion to the walking-beam, while drilling is in progress, through the crank and a connectingrod known as the pitman; to the bull-wheels, while the tools are being raised, by the bull-rope; and to the sand-pump reel, by a friction pulley, while the sand-pump is being used.
The Davis calyx drill has also been employed for petroleum drilling.
The consummate hardness of the diamond, in spite of its high price, has made it most useful for purposes of grinding, polishing and drilling.
Work was carried out at various scales, from regional reconnaissance surveys or appraisal, to the drilling of a geochemical or geophysical anomaly.
The short descriptions of Work Programs shown here only reflect the drilling component and not, for instance, seismic data acquisition.
appraisal drilling is back up to 1998 levels, with 16 wells spudded.
barium used in paints, drilling muds and as a filler for paper and textiles.
Techniques For Plastics Current methods for detecting residual stress in plastic moldings include birefringence, layer removal, hole drilling and chemical probe techniques.
Completion of the drilling operations will allow installation of the subsea pipeline bundle during December and January.
A drill pilot bushing comes with the kit to make drilling easier.
cannon shells were made by drilling a hole through a solid steel projectile, to make room for the chemical contents.
The fitting of the Powrtouch caravan mover to the caravan mover to the caravan does NOT require any welding or drilling of the chassis making fitting simple.
circulation drilling (RCD) method.
The EA team works alongside the drilling contractor, and makes decisions on site as work proceeds.
MDL has designed the cabled Boretrak® borehole deviation system as a means of auditing the results of drilling activity, quickly and accurately.
diamond drilling cores showed that the concrete roadway over the abutment is 200mm thick, sound concrete.
So whatever your drilling need, look no further than a Black & Decker® corded drill.
drilling mud filtrate in your water has a number of uses.
drilling mud tracer technique has been used in the oil industry since the 1960s in basic and advanced forms.
To do this holes are first drilled into the concrete using specialized drilling equipment.
exploration drilling is undertaken in winter from ice pads.
Knowledge of the amount of drilling mud filtrate in your water has a number of uses.
firebox wrapper plate has been removed for drilling following its test fitting.
Dry mines are filled by drilling down through the roof and pumping in liquid grout and allowing it to set.
In order to prevent the sand collapsing into the bore, Stent elected to use a high tech Polymer drilling fluid.
hole drilling technique.
Test drilling in the area revealed evidence of an abundance of methane hydrate just waiting to burst free of its watery confines.
There is wide anticipation in the industry of a substantial increase in the worldwide demand for exploration drilling over the coming year.
infill drilling going on.
Picture: A miner drilling In 1850 a major discovery took place in Eston when John Vaughan discovered ironstone on the Eston hills.
kestrels nest each year as do green woodpeckers that can be heard drilling and tapping in February.
Drilling is widely spaced at present but ground magnetics suggest no internal interruptions to the supergene blanket.
The fitting of the Powrtouch caravan mover to the caravan does NOT require any welding or drilling of the chassis making fitting simple.
Mud or Slush Pumps: used to pump drilling mud or Slush Pumps: used to pump drilling mud under high pressure down the inside of the drill pipe.
nippy winger the simple chance of drilling his shot into the corner of the net.
overlap in the supply of mobile offshore contract drilling.
percussive drilling is used.
On Mars they plan to do both: drilling to search for water, and using ground-penetrating radar to determine the depth of permafrost.
There are no specific requirements for drilling rate etc for the seed we will be sent.
The gas network consists of collection points, storage depots, pipelines and the offshore drilling rigs.
Pile driving devices are normally part of a larger bespoke drilling rig that is utilized.
specific requirements for drilling rate etc for the seed we will be sent.
stitch drilling can be more cost-effective in terms of smaller openings.
They have also used the machine for drilling turnips straight on to winter barley stubble.
Shorter rotations, earlier winter drilling, lower seed rates and less total inversion tillage inevitably mean growing pressures from the weed.
tillage methods and early drilling is also instrumental.
wellhead platform and the drilling rig Magellan alongside.
In their cultivation he adopted Tull's practice of drilling and horse-hoeing, and he was also the founder of the Norfolk or four-course system, the first of those rotations which dispense with the necessity of a summer-fallow and provide winter-keep for live-stock (see below, Rotation of Crops).
United The present method of drilling has been evolved from States.
In 1630 the Dutch West India Company granted the island to Michael Pauw as a part of his patroonship of Pavonia, and it was bought at this time from the Indians for "some duffels, kettles, axes, hoes, wampum, drilling awls, jew's harps, and divers other small wares"; but before Pauw had established a settlement upon it he sold his title back to the company.
So long as he could indulge freely in his favourite pastimes - shipbuilding, ship-sailing, drilling and sham fights - he was quite content that others should rule in his name.
Use of minimum tillage methods and early drilling is also instrumental.
The Franklin wellhead platform and the drilling rig Magellan alongside.
Attach the opposite ends of the arms to the sides of the chair at a 45-degree angle by drilling ¼ inch holes into the chair sides and adding 3/8 inch screws on each side.
It is found in the deposits of petroleum and recovered during the drilling process.
From the dangers of coal mining to oil spills and the possible connection of earthquakes to drilling, seeking fossil fuels can be dangerous business.
The negative environmental impact that's the result of drilling for oil and the end result of burning fuel oil makes solar power a very attractive alternative.
Except for geothermal energy, renewable energy sources can be harvested without drilling deep into the earth.
The most expensive part of installation, however, is the cost of drilling, which may range from 10,000 dollars to 30,000 dollars, depending on your geographical location and how deep down the heat source is located.
Attach to the plywood by drilling two screws on each end of the lumber so it is firmly secured.
This procedure involves drilling two small holes in the guitar through which to screw the strap buttons.
Start drilling screws in the center of the panel and work out rather than starting on either end.
An important consideration when you're drilling holes through your studs in order to pass wires or pipes through - most local codes require that you drill holes a certain distance (usually halfway) from the edge of the stud.
Most pearls are attached to a ring setting by drilling the pearl halfway through and inserting the setting bar into the hole.
More work goes into the polishing of the lenses, drilling the holes in them and mounting the lenses in the frames when you use a rimless rather than a rimmed style.
He or she is a member of an oil drilling crew.
These professionals have employment by well servicing contractors and drilling contractors.
They assist in the drilling of the oil wells and the servicing of the wells (both gas and oil) in all types of weather.
The roughneck may assist in the set up and tear down of drilling service rigs and service equipment.
Roughnecks help to handle the transporting of drilling and servicing rigs as well.
The roughneck also is responsible for maintaining the drilling equipment on the drill floor.
His or her job will entail maintaining the drilling equipment so that it is consistently working properly.
During the drilling process as well as in the replacement or removal of strings of pipe or drill stems and drill bits, the roughneck must ensure that these sections receive careful maintenance so there is no damage to them or to the crew.
This website lists oil and gas drilling positions currently available.
If you live in an area where there is drilling occurring, visit the local field office to apply for a roughneck position.
If the machine does not come with its own drain, you can make your own by drilling a hole in the espresso tray.
Flash cards: These easy-to-use cards are good for drilling multiplication facts, but are available in addition, subtraction and division sets as well.
More than just the cost of drilling, producing and refining crude oil goes into the cost of gasoline.
English watchmakers achieve industry leadership when they developed the technique of drilling holes into jewels, mostly rubies, enabling them to be used as bearings.
By drilling down through the year, make and model of the car you're looking for, you receive an estimated valuation, as well as the ability to modify the value based on car add-ons and features.
In the seventh season finale, Hammond captained the ship as she shielded the SG-1 team drilling through the ice, fending off Anubis armada long enough for the team to activate the ancient weapon.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.