{"id":2617,"date":"2025-03-28T20:01:26","date_gmt":"2025-03-28T12:01:26","guid":{"rendered":"https:\/\/www.thedrillstore.com\/?p=2617"},"modified":"2025-03-28T20:01:26","modified_gmt":"2025-03-28T12:01:26","slug":"drilling-technology-part-3-mud-pump-selection-guide","status":"publish","type":"post","link":"https:\/\/www.thedrillstore.com\/fr\/news\/drilling-technology-part-3-mud-pump-selection-guide\/","title":{"rendered":"Technologie de forage (partie 3) \u2014 Guide de s\u00e9lection de la pompe \u00e0 boue"},"content":{"rendered":"

Guide de s\u00e9lection de la pompe \u00e0 boue: m\u00e9thodes de calcul du d\u00e9bit Param\u00e8tres cl\u00e9s<\/h3>\n
\n

\u200bI. Deux m\u00e9thodes de base pour le calcul du d\u00e9bit de fluide de rin\u00e7age<\/strong><\/h4>\n
    \n
  1. \u200bFormule de d\u00e9gagement annulaire<\/strong>:
    \n\u200bQ=6VF (L\/min)<\/strong><\/p>\n
      \n
    • \u200bV<\/strong>: Vitesse de rin\u00e7age vers le haut (0,3 ~ 0,45 m \/ s; r\u00e9duire pour les formations l\u00e2ches)\n
      \n
      <\/div>\n<\/div>\n<\/li>\n
    • \u200bF<\/strong>: Zone annulaire entre le tuyau de forage et le trou de forage : \u200b\u03c0(D\u00b2-d\u00b2)\/4<\/strong>\u00a0(cm\u00b2), o\u00f9 \u200bD<\/strong>= diam\u00e8tre du bit (cm), \u200bd<\/strong>= diam\u00e8tre du tuyau de forage (cm).<\/li>\n<\/ul>\n<\/li>\n
    • \u200bFormule empirique<\/strong>:
      \n\u200bQ=kD (L\/min)<\/strong><\/p>\n
        \n
      • \u200bk<\/strong>: Coefficient de livraison d'eau (6 ~ 15 L \/ cm \u00b7 min; plus \u00e9lev\u00e9 pour la roche douce, plus bas pour la roche dure)\n
        \n
        <\/div>\n<\/div>\n<\/li>\n
      • \u200bD<\/strong>Diam\u00e8tre de la broche (cm).<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

        \u00c9tude de cas<\/strong>: Pour RadiantLight C1800G (diam\u00e8tre max de tuyau de forage 168mm), Q=10\u00d716,8=168 L\/min. Le d\u00e9bit max de ce mod\u00e8le (320 L\/min) r\u00e9pond aux exigences op\u00e9rationnelles<\/p>\n

        \n
        <\/div>\n<\/div>\n

         <\/p>\n

        \n

        \u200bII. R\u00f4les critiques dans les op\u00e9rations de forage<\/strong><\/h4>\n
          \n
        1. \u200bRefroidissement & Lubrification<\/strong>: Pr\u00e9vient la surchauffage des broches de forage et r\u00e9duit le frottement\n
          \n
          <\/div>\n<\/div>\n<\/li>\n
        2. \u200bEnl\u00e8vement des coupures<\/strong>Maintien une vitesse ascendante de 0,3 \u00e0 1 m\/min pour rincer les d\u00e9bris\n
          \n
          <\/div>\n<\/div>\n<\/li>\n
        3. \u200bTransmission de puissance<\/strong>: entra\u00eene des outils hydrauliques (par exemple, des turbo-perceuses)\n
          <\/div>\n<\/li>\n
        4. \u200bStabilisation de puits<\/strong>: Forme du g\u00e2teau de boue pour \u00e9viter l'effondrement et contr\u00f4ler la pression de formation\n
          \n
          <\/div>\n<\/div>\n<\/li>\n<\/ol>\n
          \n

          \u200bIII. Principaux crit\u00e8res de s\u00e9lection<\/strong><\/h4>\n
            \n
          1. \u200bFlow & Exigences de pression<\/strong>:\n
              \n
            • \n
              \n
              \n
              Le d\u00e9bit doit correspondre au diam\u00e8tre du trou de forage (les trous plus grands n\u00e9cessitent un d\u00e9bit plus \u00e9lev\u00e9)<\/div>\n<\/div>\n<\/div>\n<\/li>\n
            • La pression s'ajuste avec la profondeur (les puits profonds n\u00e9cessitent \u22652,5 MPa)\n
              \n
              \n
              <\/div>\n<\/div>\n<\/div>\n<\/li>\n<\/ul>\n<\/li>\n
            • \u200bConception structurelle<\/strong>:\n
                \n
              • \u200bPompes \u00e0 pistons de la s\u00e9rie BW<\/strong>\u00a0(par exemple, BW250) dominent en raison de la production stable et de la robustesse\n
                \n
                \n
                <\/div>\n<\/div>\n<\/div>\n<\/li>\n
              • Prioriser les mat\u00e9riaux r\u00e9sistants \u00e0 la corrosion (acier inoxydable pour les supports acides\/abrasifs)\n
                \n
                \n
                <\/div>\n<\/div>\n<\/div>\n<\/li>\n<\/ul>\n<\/li>\n
              • \u200bFlexibilit\u00e9 op\u00e9rationnelle<\/strong>:\n
                  \n
                • Contr\u00f4le de vitesse hydraulique ou \u00e0 engrenage pour d\u00e9bit variable\n
                  \n
                  <\/div>\n<\/div>\n<\/li>\n
                • Manom\u00e8tres et d\u00e9bitm\u00e8tres int\u00e9gr\u00e9s pour la surveillance en temps r\u00e9el\n
                  \n
                  <\/div>\n<\/div>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
                  \n

                  \u200bIV. Essentiaux d ' entretien<\/strong><\/h4>\n
                    \n
                  1. \u200bSyst\u00e8me de lubrification<\/strong>:\n
                      \n
                    • Remplacer l'huile de carter tous les 6 mois; temp\u00e9rature du roulement du moniteur (<70\u00b0C)\n
                      \n
                      <\/div>\n<\/div>\n<\/li>\n
                    • Graissez des tiges de piston et des traverses hebdomadaires\n
                      \n
                      <\/div>\n<\/div>\n<\/li>\n<\/ul>\n<\/li>\n
                    • \u200bComposants sujets \u00e0 l'usure<\/strong>:\n
                        \n
                      • Inspecter les joints de piston toutes les 50 heures; remplacer si des fissures apparaissent\n
                        \n
                        <\/div>\n<\/div>\n<\/li>\n
                      • Nettoyer \/ remplacer les filtres d'entr\u00e9e quotidiennement pour \u00e9viter l'obstruction\n
                        \n
                        <\/div>\n<\/div>\n<\/li>\n<\/ul>\n<\/li>\n
                      • \u200bV\u00e9rifications de s\u00e9curit\u00e9<\/strong>:\n
                          \n
                        • Essayez les vannes de soulagement de pression mensuellement pour \u00e9viter la surcharge\n
                          \n
                          <\/div>\n<\/div>\n<\/li>\n
                        • V\u00e9rifiez l'int\u00e9grit\u00e9 de l'\u00e9tanch\u00e9it\u00e9 et serrez les boulons lors des arr\u00eats\n
                          \n
                          <\/div>\n<\/div>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
                          \n

                          \u200bV. Sp\u00e9cifications techniques: Pompe \u00e0 boue BW250<\/strong><\/h4>\n
                          \n\n\n\n\n\n\n\n\n\n
                          Param\u00e8tre<\/th>\nValeur<\/th>\n<\/tr>\n<\/thead>\n
                          d\u00e9bit<\/td>\n250 L\/min<\/td>\n<\/tr>\n
                          pression maximale<\/td>\n2,5 MPa<\/td>\n<\/tr>\n
                          Diam\u00e8tre du cylindre<\/td>\n\u03a680 mm<\/td>\n<\/tr>\n
                          Puissance<\/td>\n15 kW moteur\/entra\u00eenement hydraulique<\/td>\n<\/tr>\n
                          Densit\u00e9 de boue recommand\u00e9e<\/td>\n1,03 - 1,10 G \/ cm3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

                          Conseils d'utilisation<\/strong>Maintenir le pH 7-8, la teneur en sable \u22644%, et la longueur du tuyau d'aspiration \u22646m<\/p>\n

                          \n
                          <\/div>\n<\/div>\n

                           <\/p>\n

                          \n

                          \u200bVI. D\u00e9pannage des probl\u00e8mes communs<\/strong><\/h4>\n
                            \n
                          • \u200bBasse d\u00e9bit\/pression<\/strong>V\u00e9rifiez l'entr\u00e9e d'air, le blocage de la vanne ou les joints us\u00e9s\n
                            \n
                            <\/div>\n<\/div>\n<\/li>\n
                          • \u200bVibrations excessives<\/strong>R\u00e9aligner les arbres ou remplacer les composants d\u00e9s\u00e9quilibr\u00e9s\n
                            \n
                            <\/div>\n<\/div>\n<\/li>\n
                          • \u200busure rapide<\/strong>Utiliser des mat\u00e9riaux durcis (par exemple, des doublures chrom\u00e9es) pour les boues abrasives<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

                            Mud Pump Selection Guide: Flow Calculation Methods & Key Parameters \u200bI. Two Core Methods for Flushing Fluid Flow Calculation \u200bAnnular Clearance Formula: \u200bQ=6VF (L\/min) \u200bV: Upward flushing velocity (0.3~0.45 m\/s; reduce for loose formations) \u200bF: Annular area between drill pipe and borehole: \u200b\u03c0(D\u00b2-d\u00b2)\/4\u00a0(cm\u00b2), where \u200bD=bit diameter (cm), \u200bd=drill pipe diameter (cm). \u200bEmpirical Formula: \u200bQ=kD (L\/min) […]<\/p>\n","protected":false},"author":3,"featured_media":2618,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2617","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.thedrillstore.com\/fr\/wp-json\/wp\/v2\/posts\/2617","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.thedrillstore.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.thedrillstore.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.thedrillstore.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thedrillstore.com\/fr\/wp-json\/wp\/v2\/comments?post=2617"}],"version-history":[{"count":1,"href":"https:\/\/www.thedrillstore.com\/fr\/wp-json\/wp\/v2\/posts\/2617\/revisions"}],"predecessor-version":[{"id":2619,"href":"https:\/\/www.thedrillstore.com\/fr\/wp-json\/wp\/v2\/posts\/2617\/revisions\/2619"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.thedrillstore.com\/fr\/wp-json\/wp\/v2\/media\/2618"}],"wp:attachment":[{"href":"https:\/\/www.thedrillstore.com\/fr\/wp-json\/wp\/v2\/media?parent=2617"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thedrillstore.com\/fr\/wp-json\/wp\/v2\/categories?post=2617"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thedrillstore.com\/fr\/wp-json\/wp\/v2\/tags?post=2617"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}