Gabatarwar Hardbanding

Hardbanding na ƙarfe ne mai jure lalacewa Hardbanding shine tsarin ɗorawa akan rufi ko saman ƙarfe mai wuya] akan wani ɓangaren ƙarfe mai laushi. Aiwatar da iskar gas karfe baka waldi a kan waje surface na rawar soja da ruwa gidajen abinci don ƙara hakowa bututu gidajen abinci, kwala, da nauyi rawar soja rayuwar sabis bututu da kuma rage casing kirtani lalacewa daga lalacewa hade da hakowa ayyuka.

Ana amfani da Hardbanding inda jujjuyawar juye-juye da axial da ke da alaƙa da hakowa da tarwatsewa suna haifar da lalacewa mai wuce gona da iri tsakanin igiyar rawar soja da casing ko tsakanin igiyar rawar soja da dutsen. Ana amfani da mayafi mai ƙarfi zuwa wuraren mafi girman lamba. Yawancin lokaci, ana amfani da hardbanding zuwa haɗin gwiwa na kayan aiki kamar yadda shine mafi girman ɓangaren kirtani na rawar soja kuma zai sa lamba tare da casing sau da yawa.

Da farko, ɓangarorin tungsten-carbide an jefa su cikin matrix mai laushi-karfe, wanda ya rage matsayin masana'antu na shekaru masu yawa. Koyaya, ba da daɗewa ba masu mallakar rijiyar sun gane cewa yayin da haɗin gwiwar kayan aikin ke da kariya sosai, ƙwayoyin tungsten-carbide galibi suna aiki azaman kayan aikin yankan kayan aikin da ke haifar da ƙarancin lalacewa da gazawar casing lokaci-lokaci. Don magance mahimmancin buƙatu na samfur mai ɗaurin ɗaurin ɗaki wanda zai iya isasshe kariya ga mahaɗin kayan aiki da sauran kayan aikin ƙasa.

Nau'in hardbanding:

1. Tasowa Hardbanding (PROUD)

2. Flush hardbanding (FLUSH)

3. Hardbanding a tsakiyar bacin na Drill Collar da Nauyi Drill bututu

Ayyukan Hardbanding:

1. Yana kare haɗin gwiwar bututun bututu daga lalata da lalacewa kuma yana tsawaita rayuwar sabis na DP.

2. Yana kare haɗin gwiwar kayan aiki daga fashewar thermal.

3. Yana rage lalacewa.

4. Yana rage asarar gogayya ta hakowa.

5. Hardbanding damar yin amfani da siriri OD welded kayan aiki gidajen abinci.

Aikace-aikacen Hardbanding:

1. Hardbanding yana aiki don haƙa bututu na kowane girma da maki.

2. Za a iya yin amfani da hardbanding akan sababbi da u    sed tubular.

3. Hardbanding za a iya amfani da wani rawar soja bututu gidajen abinci da aka yi ta GOST R 54383-2011 da GOST R 50278-92 ko ta fasaha bayani dalla-dalla na kasa bututu niƙa, da kuma a kan rawar soja bututu gidajen abinci da aka yi ta API Spec 5DP.

4. Za a iya yin amfani da igiya a kan bututun motsa jiki tare da nau'o'in kayan aiki daban-daban, ciki har da haɗin gwiwar kayan aiki guda biyu.

5. Ana iya yin amfani da kayan aiki mai ƙarfi akan bututu masu jure sanyi da sabis na DP mai tsami.

Ana iya amfani da hardbanding akan tubular nau'ikan da girma masu zuwa:

1. Bututu jiki OD 60 zuwa 168 mm, tsawon har zuwa 12 m, OD na welded kayan aiki gidajen abinci da DP takardun.

2. Ana amfani da Hardbanding akan tashin hankali na HWDP, akan wuraren haɗin gwiwar kayan aiki na HWDP, da DC na kowane iri da girma.

3. Hardbanding kuma ana amfani da shi zuwa tsakiyar tashin hankali na HWDP da DC.

4. Ana iya amfani da kayan aiki na kayan aiki a kan kayan aiki na kayan aiki kafin a haɗa su zuwa bututun rawar soja.

Tattaunawar da aka samu ta hanyar amfani da bututun rawar soja tare da hardbanding:

1. An tsawaita rayuwar sabis na bututu har zuwa sau 3.

2. An rage lalacewa na haɗin gwiwar kayan aiki da 6-15 % dangane da nau'in hardbanding da aka yi amfani da shi.

3. An rage lalacewa ta bango da 14-20 % idan aka kwatanta da lalacewa ta hanyar haɗin gwiwar kayan aiki.

4. Yana rage asarar gogayya da kyau.

5. An rage karfin jujjuyawar da ake buƙata, don haka rage yawan amfani da makamashi.

6. Inganta aikin hakowa.

7. Yana rage lokacin hakowa.

8. Yana rage yawan kirtani na rawar soja da gazawar igiyar casing a ayyukan hakowa.