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Gaofeng Gaofeng

Product Details

Product Details

“GAOFENG” has strict systems of scientific research and quality assurance

“GAOFENG” has strict systems of scientific research and quality assurance

Reverse Circulating Junk Basket Type LL

Model “LB” Junk Sub an efficient tool used in milling or drilling operation. It is designed to capture cuttings that are too heavy to be circulated in the bottom of the hole.

Category：

Fishing Tools

SALES@GAOFENG-PETRO.COM

+86-851-87995502

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Detailed introduction

 Model “LL” Reverse Circulating Junk Basket is designed to remove small pieces of junk such as bit cones, hand tools, slips, etc from the bottom of well. Its unique feature is utilizing the principle of reverse fluid circulation. Moreover, it can be used as a special coring tool.  

 

Specifications

Model

O.D. of mill

mm (in)

Max.O.D. of fish

mm (in)

Steel ball

mm (in)

Suitable well diameter

mm (in)

Connection

API

LL32

84(3 5/16)

52(2 1/16)

30(1 3/16)

98~108(3.86~4.25)

NC26

LL34

89(3 1/2)

55(2 5/32)

28(1 3/32)

NC26

LL36

96(3 25/32)

64(2 1/2)

30(1 3/16)

NC26

LL40

105(4 1/8)

67(2 5/8)

30(1 3/16)

107~114.3(4.21~4.5)

NC26

LL44

116(4 9/16)

80(3 1/8)

35(1 3/8)

117.5~127(4.63~5)

NC26

LL46

124(4 7/8)

84(3 5/16)

35(1 3/8)

130~139.7(5.12~5.5)

3 1/2REG

LL51

135(5 5/16)

96.5(3 23/32)

40(1 37/64)

142.9~152.4(5.63~6)

NC31

LL54

145(5 23/32)

112(4 13/32)

40(1 37/64)

155.6~165.1(6.13~6.5)

NC31

LL54Ⅱ

140(5 1/2)

106(4 3/16)

40(1 37/64)

NC38

LL56

146(5 3/4)

112(413/32)

40(1 37/64)

NC38

LL62

163(6 7/16)

122(4 13/16)

45(1 25/32)

168.2~187.3(6.62~7.37)

NC40

LL64

169(6 21/32)

122(4 13/16)

45(1 25/32)

172~190.5(6.77~7.5)

4 1/2REG

LL70

181(7 1/8)

133(5 1/4)

45(1 25/32)

190.5~209.5(7.5~8.25)

4 1/2REG

LL77

200(7 7/8)

1485 13/16)

45(1 25/32)

212.7~241.3(8.37~9.5)

NC46

LL81

206(8 1/8)

156(6 1/8)

50(1 31/32)

212.7~241.3(8.37~9.5)

NC50

LL85

220(8 11/16)

168(6 5/8)

45(1 25/32)

232~244.5(9.13~9.63)

NC50

LL90

230(9 1/16)

178(7)

45(1 25/32)

244.5~241.3(8.37~9.5)

NC50

LL95

250(9 13/16)

192(7 9/16)

50(1 31/32)

273~295.3(10.75~11.63)

NC50

LL101

257(10 1/8)

195.5(7 11/16)

45(1 25/32)

273~295.3(10.75~11.63)

NC56

LL106

278(10 15/16)

210(8 1/4)

45(1 25/32)

298.5~317.5(11.75~12.5)

6 5/8REG

LL112

286(11 1/4)

230(9 1/16)

45(1 25/32)

6 5/8REG

LL122

316(12 7/16)

243(9 9/16)

45(1 25/32)

349.3~406.4(13.75~16)

6 5/8REG

LL130

335(13 3/16)

258(10 5/32)

45(1 25/32)

7 5/8REG

LL136

355(14)

278(10 15/16)

45(1 25/32)

406.4~444.5(16~17.5)

7 5/8REG

LL150

386(15 3/16)

318(12 1/2)

45(1 25/32)

7 5/8REG

LL150Ⅱ

386(15 3/16)

318(12 1/2)

45(1 25/32)

406.4~444.5(16~17.5)

7 5/8REG

LL174

450(17 11/16)

374(14 3/4)

45(1 25/32)

530~660(20.86~26)

7 5/8REG

LL200

513(20 3/16)

406(16)

45(1 25/32)

7 5/8REG

LL200Ⅱ

513(20 3/16)

466(18 11/32)

45(1 25/32)

7 5/8REG

Key words:

Gaofeng petroleum machinery and equipment, oil and gas drilling and production downhole tools

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Junk Sub Type LB

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Add:No.2, Changling South Road, Guanshanhu Distict, Guiyang City, Guizhou Province

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Pilot Junk Mill Type GMX/YMX

Model “GMX” Pilot Junk Mill can be inserted into milling fish-top of fishes water-hole from the polit part. Model YMX Guide Mill Shoe can be used for milling inner bore and fish-top, or the unfixed fishes ( just like drill pipe, drill collar and tubing etc. ) The milling surface can be made of carbide alloy, and the water groove on mill body can make the drilling fluids flow. SpecificationsNominal O.D.  mm(in)Connection APImm(in)Suitable well diameter mm(in)97(3.82)NC2673～89(2.87～3.5)107.9～114.3(4.25～4.5)121(4.76)NC31、2-7/8REG、3-1/2REG90～102(3.54～4)130～139.7(5.11～5.5)130(5.12)100～160(3.93～6.3)142.9～152.4(5.63～6)140(5.51)110～120(4.33～4.72)155.6～165.1(6.13～6.5)156(6.14)3-1/2REG127(5)168～187.3(6.6～7.37)178(7)4-1/2REG158～168(6.22～6.61)190.5～209.5(7.5～8.25)200(7.87)168～178(6.61～7)212.7～241.3(8.37～9.5)232(9.13194(7.64)244.5～269.9(9.62～10.63)257(10.12)6-5/8REG210～219(8.26～8.62)273～295.3 (10.75～11.63)279(10.98)220～230(8.66～9)298.5～317.5 (11.75～12.5)295(11.61)240～246(9.45～9.68)320.6～346.1 (12.62～13.63)330(13)273(10.74)349.3～406.4 (13.75～16)381(15)320(12.61)406.4～444.5 (16～17.5)

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Tapered Mill Type XZ

The Tapered Mill Type XZ is used to recover bore size. It is mainly used to mill collapsed casing or eliminate restrictions, and can clear mineral crystals and some other hard debris stranding on the well wall. SpecificationsNominal O.D. mm(in)Connection APISuitable Hole Diameter mm(in)89(3.50)NC26、3-3/8REG95.2～101.6 (3.76～4)97(3.82)107.9～114.3(4.25～4.5)110(4.33)NC31、2-7/8REG、3-1/2REG117.5～127.0(4.63～5)121(4.76)130～139.7(5.11～5.5)130(5.12)142.9～152.4(5.63～6)140(5.51)NC38、3-1/2REG、4-1/2REG155.6～165.1(6.13～6.5)156(6.14)168～187.3(6.6～7.37)178(7)190.5～209.5(7.5～8.25)200(7.87)NC50、4-1/2REG212.7～241.3(8.37～9.5)232(9.13244.5～269.9(9.62～10.63)257(10.12)6-5/8REG273～295.3(10.74～11.63)279(10.98)298.5～317.5(11.75～12.5)295(11.61)320.6～346.1(12.62～13.63)330(13)349.3～406.4(13.75～16)381(15)406.4～444.5(16～17.5)406(15)7-5/8REG431.8～508(17～20)432(17)457.2～533.4(18～21)534(21)558.8～660(22～26)686(27)711.2～863.6(28～34)

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Flat Bottom Junk Mill Type MXP

Junk Mill Type MXP can be divided into three kinds: flat-bottom (or concave-bottom) milling shoe, guide milling shoe and cone milling shoe, according to its structure and shape. At the milling surface, the carbide particles are built up by welding, which plays a part of self-milling. It is used to mill the fallen substances, such as tooth wheel, slipdog, fittings for deep-well pump, etc. with the advantages of anti impact and longer service life. SpecificationsModelO.D. mm(in)Connection APIOverall length mm(in)MXP(A)80C-2A3080(3 1/8)2 3/8REG300(11 3/4)MXP(A)89C-2A3089(3 1/2)2 3/8REG500(19 5/8)MXP(A)92C-NC2392(3 5/8)NC23500(19 5/8)MXP(A)102C-210102(4)NC31500(19 5/8)MXP(A)108C-2A10108(4 1/4)NC26500(19 5/8)MXP(A)114C-210114(4 1/2)NC31500(19 5/8)MXP(A)146C-310146(5 3/4)NC38500(19 5/8)MXP(A)159C-310159(6 1/4)NC38500(19 5/8)MXP(A)190C-410190(7 1/2)NC50500(19 5/8)MXP(A)203C-410203(8)NC50500(19 5/8)MXP(A)292C-630292(11 1/2)6 5/8REG500(19 5/8)MXP(A)305C-630305(12)6 5/8REG500(19 5/8)MXP(A)410C-730410(16 1/8)7 5/8REG450(17 5/8)MXP(A)425C-630425(16 3/4)6 5/8REG500(19 5/8)

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Hydraulic External Cutter Type WD-S

It is usually connected with the washover pipe and can cut the fish at its any section. Compared with the mechanically-actuated one, it has the advantages of simple operation and quick cutting.

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Mechanical External Cutter Type WD-J

It is spring fed automatically so that it can avoid the cutter breakdown which may be resulted from the larger pulling force.

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Mechanical Internal Cutter Type NG

it is pressured to rotate for cutting the drill string. If it is equipped with the spear, cutting and recovering can be completed at the same time.

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Arrow Back-Pressure Valve Type FJ

Arrow Back-Pressure Sub Type FJ is an important kind of internal blowout preventer, with the function of preventing high-pressure oil and gas from blowing out of the drill string.

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Continuous Circulating Valve Type LXF

Model LXF continuous circulating valve is a kind of key tools used in continuous circulating well-drilling technology. The purpose is to solve a series of problems under the well caused by annulus pressure fluctuation due to the stop/start the circulation when unloading a single column during the well-drilling and stripping-in process.

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Float Valve Core

In normal well-drilling, the valve cover of the floating valve core opens, then the drilling fluid circulates smoothly.

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IBOP Type NFQ

Model NFQ inner blowout preventer (Grey Valve) is a necessary blowout preventing device during drilling process specified by IADC (International Association of Drilling Contractors).

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Full Open Safety Valve Type QKFⅡ

Model QKFⅡ full open valve is a driving control valve in the drill string cycle system with manual control of special wrench which can rotate 90 degrees, so that the switch can be realized as to achieve the goal of blowout control and spray proof.

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