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Dimpling Tool Designs for Ball-Tipped Dimple Bolts Disclosure Number: IPCOM000234995D
Publication Date: 2014-Feb-21
Document File: 8 page(s) / 836K

Publishing Venue

The Prior Art Database

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This is the abbreviated version, containing approximately 37% of the total text.

Page 01 of 8


Dimpling Too

l Designs for B

/ Summary


The dimpling tubing technol

do not pierce t

sit in the dimp

Dimple bolts usually metal, bolt to defor


can be done by

tools is a new deform the m thread of the b

dimpling tool dimpling tools

time and costs

make dimple b

single-point di

relies heavily this existing m

is machining during use sin

use. After rep

coiled tubing. tubing to allow


tools designed

ogy. In order

hrough the coi

les made onto are used to m

where the bal m around the

l dimple aroun

hand using a

and unique pu

aterial at the t

olt. The pun

designs herein

, there will be

related to dow

olts. The fir mples around

on the user's c

ethod fails in a regular bolt ce the materia

etitive use, th

The two exis

the set screw

leading to dim

all-Tipped D

herein are use

to connect a b

led tubing wa the coiled tubi

ake the dimpl

l is held in pla

ball, provid

d the ball to h

hammer strike

nching head. ip of the bolt ching head eli

(mainly two

fewer service

 ntime while st existing me

the ball, usual

raftsmanship which the ball

to have a rou

l used to make

e tip of the m

ting methods s of a BHA

ple bolts that

imple Bolts

d in the oilfiel

 ottom-hole as ll, are made on

ng, connecting

es on the coil

ce onto the en

ing an interf

old the ball in

or can be don

The punching around the ba

minates the ar

punching head

quality probl

waiting on new

thod to hold th

ly with four o

and ability to

tends to fall o

nd tip, instead

common bolt

achined dimp

do not consist

to connect to will not have t

d industry, pri sembly (BHA

to the wall at

the BHA to th

ed tubing. Th

d of the bolt b

erence fit. T

place, even a

e using a mec

head consists ll, generating tistic necessity

geometries) f

ems with the d

dimple bolts

e ball in plac

r eight punch generate cons ff of the bolt.

of a separate

s is not hard e

le bolt galls u

ently generate

the coiled tub

he ball fall off imarily with th

) onto coiled t

the end of the

the coiled tubin

e dimple bolt

y punching or The dimpling

fter repetitive hanical press. of a circumfer

an interferenc

of the single

or two differen

imple bolts b

to be supplie

e on the bolt points. This e

istent dimples

The second ex

ball and bolt

nough to main

nder frictional properly size

ing. The dim

of the bolt dur

 of oil wells us spherical dimpl

ill have set sc

separate ball aterial at the

generate a ple bolt. The

n point of the

g tip that is de

causing dama

method. Ther

geometries. W

as and oil wel

wo existing m

ular punch, an

d is inconsiste

ll. After repe

of making dim

he second me

of the round y the dimplin

dimples onto rein will elim

use, and not g ing coiled es, which

rews that

and bolt,

tip of the consistent


dimpling signed to ge to the

e are two ith these

ls, saving ethods to

d making nt since it titive use,

 ple bolts thod fails

tip during g against

the coiled inate this


he intervention ubing (CT), s CT. A BHA w

ts consist of a r dimpling the m

tools herein

use of the dim

The key des...