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Problem
Here in west Texasmany oil, drillingand well servicingcompanies face aproblem with down
time.Many of thesecompanies wouldlike to reducedowntime; the
less time spentchanging out bitsand tools themore profitablethe company is.
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Purpose of Project
When drilling orworking over wellsthere are times whenpipe is stuck or
broken off whenbeing pulled out ofthe well.
When this occurs you
will go after it withfishing tools.
Tool design.
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Downtime- unproductive rig time, in our case due tochanging milling tools
Fishing- the process of retrieving a lost object from a well
bore Inserts- the interchangeable tool end of the junk mill
assembly which can come in different designs for differentapplications
Junk mill bit- a tool usually used on fishing jobs to preparethe pipe ends for the fishing tool
Tungsten carbide rod- a composite rod which consists oftungsten carbide chips with a brass media, it is used as thecutting surface on the junk mill inserts cutting edge
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Establish a shop
Marketing
Delivery
Competition
Personnel
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Tool joint material = $50.00/ea Tool joint Welding Labor (@$20.00/hr) = $60.00/ea Tool joint Machinist Labor (@$20.00/hr) = $60.00/ea
Insert Material (1 Plate) = $30.00/ea Insert Welding Labor (@$20.00/hr) = $60.00/ea Insert Machinist Labor (@$20.00/hr) = $60.00/ea
Welding Rods (per insert) = $3.00/ea Clusterite Rods (per insert) = $40.00/ea
Total approximate product cost (with 2 inserts): $363.00
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86% of people surveyed expressed interest in ourinterchangeable inserts
71% would like to reduce downtime on fishing jobs
50% of our customers are willing to pay between $1000 and$1,500
$1,200 to buy a tool plus 2 inserts and $300 to re-tip
Or $500 to rent
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Making a mill bit
consistsof two parts: ToolJoint andthe
interchangeableinserts.
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Our first model will be
the weld type where the insertsWill be welded on to the
Tool joint.
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Our second model will befastened to the tool jointby a threaded pin that securesthe insert, making it eveneasier to exchange.
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Design
Product Cost
Many Job Positions
Reduce downtime
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These are Baker Hughes junk mills compared to our mill bit tool. Their Superloy junk mill is
designed for the milling of debris where milling inserts are considered too aggressive.
http://www.bakerhughesdirect.com/cgi/bot/resources/ExternalFileHandler.jsp?bookmarka
ble=Yes&channelld=-
546906701&programld=546999388&path=/private/BOT/public/fishing/conventional_fishin
g/milling_washover/superloy_junk_mill.html
These are Weatherford junk mills compared to our mill bit tool. Their aluminum casing
alignment tool has a simple, but rugged, design-aluminum blades welded to an aluminum
body.
http://weatherford.com/weatherford/groups/web/documents/weatherfordcorp/www01859
8.pdf
These are GOTCO International junk mills compared to our mill bit tool. Gotco junk mills
are available dressed with super tough Gotcoloy (crushed, sintered tungsten carbide.) They
also have them in many sizes. http://www.gotco-usa.com/milling-
washover/junk_mills.html
http://www.bakerhughesdirect.com/cgi/bot/resources/ExternalFileHandler.jsp?bookmarkable=Yes&channelld=-546906701&programld=546999388&path=/private/BOT/public/fishing/conventional_fishing/milling_washover/superloy_junk_mill.htmlhttp://www.bakerhughesdirect.com/cgi/bot/resources/ExternalFileHandler.jsp?bookmarkable=Yes&channelld=-546906701&programld=546999388&path=/private/BOT/public/fishing/conventional_fishing/milling_washover/superloy_junk_mill.htmlhttp://www.bakerhughesdirect.com/cgi/bot/resources/ExternalFileHandler.jsp?bookmarkable=Yes&channelld=-546906701&programld=546999388&path=/private/BOT/public/fishing/conventional_fishing/milling_washover/superloy_junk_mill.htmlhttp://www.bakerhughesdirect.com/cgi/bot/resources/ExternalFileHandler.jsp?bookmarkable=Yes&channelld=-546906701&programld=546999388&path=/private/BOT/public/fishing/conventional_fishing/milling_washover/superloy_junk_mill.htmlhttp://weatherford.com/weatherford/groups/web/documents/weatherfordcorp/www018598.pdfhttp://weatherford.com/weatherford/groups/web/documents/weatherfordcorp/www018598.pdfhttp://www.gotco-usa.com/milling-washover/junk_mills.htmlhttp://www.gotco-usa.com/milling-washover/junk_mills.htmlhttp://www.gotco-usa.com/milling-washover/junk_mills.htmlhttp://www.gotco-usa.com/milling-washover/junk_mills.htmlhttp://www.gotco-usa.com/milling-washover/junk_mills.htmlhttp://www.gotco-usa.com/milling-washover/junk_mills.htmlhttp://www.gotco-usa.com/milling-washover/junk_mills.htmlhttp://weatherford.com/weatherford/groups/web/documents/weatherfordcorp/www018598.pdfhttp://weatherford.com/weatherford/groups/web/documents/weatherfordcorp/www018598.pdfhttp://www.bakerhughesdirect.com/cgi/bot/resources/ExternalFileHandler.jsp?bookmarkable=Yes&channelld=-546906701&programld=546999388&path=/private/BOT/public/fishing/conventional_fishing/milling_washover/superloy_junk_mill.htmlhttp://www.bakerhughesdirect.com/cgi/bot/resources/ExternalFileHandler.jsp?bookmarkable=Yes&channelld=-546906701&programld=546999388&path=/private/BOT/public/fishing/conventional_fishing/milling_washover/superloy_junk_mill.htmlhttp://www.bakerhughesdirect.com/cgi/bot/resources/ExternalFileHandler.jsp?bookmarkable=Yes&channelld=-546906701&programld=546999388&path=/private/BOT/public/fishing/conventional_fishing/milling_washover/superloy_junk_mill.htmlhttp://www.bakerhughesdirect.com/cgi/bot/resources/ExternalFileHandler.jsp?bookmarkable=Yes&channelld=-546906701&programld=546999388&path=/private/BOT/public/fishing/conventional_fishing/milling_washover/superloy_junk_mill.htmlhttp://www.bakerhughesdirect.com/cgi/bot/resources/ExternalFileHandler.jsp?bookmarkable=Yes&channelld=-546906701&programld=546999388&path=/private/BOT/public/fishing/conventional_fishing/milling_washover/superloy_junk_mill.html
